Translation to Russian

Hi there 👋

Let's translate the course to Russian so that the whole community can benefit from this resource 🌎!

Below are the chapters and files that need translating - let us know here if you'd like to translate any and we'll add your name to the list. Once you're finished, open a pull request and tag this issue by including `#issue-number` in the description, where `issue-number` is the number of this issue.

> 🙋 If you'd like others to help you with the translation, you can also post in our [forums](https://discuss.huggingface.co/c/course/20) or tag [@_lewtun](https://twitter.com/_lewtun) on Twitter to gain some visibility.

## Chapters

**UNIT 0. WELCOME TO THE COURSE!**
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter0/introduction.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`get_ready.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter0/get_ready.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`Community.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter0/community.mdx) @artyomboyko MINOR_FIX_DONE

**UNIT 1. WORKING WITH AUDIO DATA**
- [x] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/introduction.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`audio_data.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/audio_data.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`load_and_explore.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/load_and_explore.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`preprocessing.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/preprocessing.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`streaming.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/streaming.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`quiz.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/quiz.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`supplemental_reading.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter1/supplemental_reading.mdx) @artyomboyko MINOR_FIX_DONE

**UNIT 2. A GENTLE INTRODUCTION TO AUDIO APPLICATIONS**
- [X] [`introductoin.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter2/introduction.mdx) @Lightmourne
- [X] [`audio_classification_pipeline.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter2/audio_classification_pipeline.mdx) @Lightmourne
- [X] [`asr_pipeline.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter2/asr_pipeline.mdx) @Lightmourne
- [X] [`hands_on.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter2/hands_on.mdx) @Lightmourne

**UNIT 3. TRANSFORMER ARCHITECTURES FOR AUDIO**
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter3/introduction.mdx) @artyomboyko
- [X] [`ctc.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter3/ctc.mdx) @artyomboyko
- [X] [`seq2seq.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter3/seq2seq.mdx) @artyomboyko
- [X] [`classification.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter3/classification.mdx) @artyomboyko
- [X] [`quiz.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter3/quiz.mdx) @artyomboyko
- [X] [`supplemental_reading.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter3/supplemental_reading.mdx) @artyomboyko

**UNIT 4. BUILD A MUSIC GENRE CLASSIFIER**
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter4/introduction.mdx) @Lightmourne
- [X] [`classification_models.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter4/classification_models.mdx) @Lightmourne
- [X] [`fine_tuning.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter4/fine_tuning.mdx) @Lightmourne
- [X] [`demo.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter4/demo.mdx)
- [X] [`hands_on.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter4/hands_on.mdx) @Lightmourne

**UNIT 5. AUTOMATIC SPEECH RECOGNITION**
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/introduction.mdx) @Lightmourne
- [X] [`asr_models.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/asr_models.mdx) @Lightmourne
- [X] [`choosing_dataset.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/choosing_dataset.mdx) @Lightmourne
- [X] [`evaluation.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/evaluation.mdx) @Lightmourne
- [X] [`demo.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/demo.mdx) @Lightmourne
- [X] [`hands_on.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/hands_on.mdx) @Lightmourne
- [X] [`supplemental_reading.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter5/supplemental_reading.mdx) @Lightmourne

**UNIT 6. From text to speech**
- [X] [`evaluation.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/evaluation.mdx) @artyomboyko
- [X] [`fine-tuning.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/fine-tuning.mdx) @artyomboyko
- [X] [`hands_on.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/hands_on.mdx) @artyomboyko
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/introduction.mdx) @artyomboyko
- [X] [`pre-trained_models.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/pre-trained_models.mdx) @artyomboyko
- [X] [`supplemental_reading.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/supplemental_reading.mdx) @artyomboyko
- [X] [`tts_datasets.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter6/tts_datasets.mdx) @artyomboyko

**UNIT 7. Putting it all together**
- [X] [`hands-on.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter7/hands-on.mdx) @artyomboyko
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter7/introduction.mdx) @artyomboyko
- [X] [`speech-to-speech.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter7/speech-to-speech.mdx) @artyomboyko
- [X] [`supplemental_reading.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter7/supplemental_reading.mdx) @artyomboyko
- [X] [`transcribe-meeting.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter7/transcribe-meeting.mdx) @artyomboyko
- [X] [`voice-assistant.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter7/voice-assistant.mdx) @artyomboyko

**UNIT 8. Finish line**
- [X] [`certification.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter8/certification.mdx) @artyomboyko MINOR_FIX_DONE
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/chapter8/introduction.mdx) @artyomboyko MINOR_FIX_DONE

**Course Events**
- [X] [`introduction.mdx`](https://github.com/huggingface/audio-transformers-course/blob/main/chapters/en/events/introduction.mdx) @artyomboyko MINOR_FIX_DONE

Adding extra material:
- [X] #136 @artyomboyko
- [X] #137 @artyomboyko

Start with the checklist in this issue and compare the listed English chapter files under chapters/en with the current translation status. Confirm whether any chapter remains available before choosing work; done means the selected material is translated and a pull request references #109.

Written by the indexing model from the issue text.