Add OpenAI .NET Cookbook Samples

## Document organization

*/Basic_Samples//Dotnet*

## P0

### Embeddings

- [x] [Embeddings](https://github.com/openai/openai-cookbook/blob/main/examples/azure/embeddings.ipynb) @colombod
- [x] [Embedding long input text](https://github.com/openai/openai-cookbook/blob/main/examples/Embedding_long_inputs.ipynb) @colombod
- [x] [Get embeddings from a dataset](https://github.com/openai/openai-cookbook/blob/main/examples/Get_embeddings_from_dataset.ipynb) @colombod
- [x] [Embedding Wikipedia articles for search](https://github.com/openai/openai-cookbook/blob/main/examples/Embedding_Wikipedia_articles_for_search.ipynb) @colombod
- [x] [Semantic text search using embeddings](https://github.com/openai/openai-cookbook/blob/main/examples/Semantic_text_search_using_embeddings.ipynb) @colombod
- [x] [Question answering using embeddings](https://github.com/openai/openai-cookbook/blob/main/examples/Question_answering_using_embeddings.ipynb) @colombod

### Vector DBs

- [ ] [Get started Azure Cognitive Search](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/azuresearch/Getting_started_with_azure_cognitive_search_and_openai.ipynb)
- [x] [Get started with Milvus](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/milvus/Getting_started_with_Milvus_and_OpenAI.ipynb) @luisquintanilla
- [ ] [Get started with Redis](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/redis/getting-started-with-redis-and-openai.ipynb)
- [ ] Getting started pgVector
- [x] [Get started with Qdrant](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/qdrant/Getting_started_with_Qdrant_and_OpenAI.ipynb)

### Whisper

- [x] [Whisper processing guide](https://github.com/openai/openai-cookbook/blob/main/examples/Whisper_processing_guide.ipynb) ( see pr #55 ) @colombod
- [x] [Whisper prompting guide](https://github.com/openai/openai-cookbook/blob/main/examples/Whisper_prompting_guide.ipynb) ( see pr #55 ) @colombod

### Functions

- [x] [ChatGPT Function calling to find nearby places](https://github.com/openai/openai-cookbook/blob/main/examples/Function_calling_finding_nearby_places.ipynb) @colombod
- [ ] [Call ChatGPT functions for knowledge retrieval](https://github.com/openai/openai-cookbook/blob/main/examples/How_to_call_functions_for_knowledge_retrieval.ipynb) @colombod

### Other

- [x] [Zero Shot Classification](https://github.com/openai/openai-cookbook/blob/main/examples/Zero-shot_classification_with_embeddings.ipynb) @colombod
- [x] [Entity extraction long documents](https://github.com/openai/openai-cookbook/blob/main/examples/Entity_extraction_for_long_documents.ipynb) @colombod
- [ ] #50
- [x] #51

## P1

### Chat

- [x] [Chat](https://github.com/openai/openai-cookbook/blob/main/examples/azure/chat.ipynb) @colombod
- [x] [Chat with your data](https://github.com/openai/openai-cookbook/blob/main/examples/azure/chat_with_your_own_data.ipynb) @colombod

### Embeddings

- [ ] [Visualize Embeddings 2D](https://github.com/openai/openai-cookbook/blob/main/examples/Visualizing_embeddings_in_2D.ipynb)
- [ ] [Regression using embeddings](https://github.com/openai/openai-cookbook/blob/main/examples/Regression_using_embeddings.ipynb)
- [ ] [Classification using embeddings](https://github.com/openai/openai-cookbook/blob/main/examples/Classification_using_embeddings.ipynb)
- [ ] [Search reranking with cross-encoders](https://github.com/openai/openai-cookbook/blob/main/examples/Search_reranking_with_cross-encoders.ipynb)
- [ ] [Elastic Search Semantic Search](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/elasticsearch/elasticsearch-semantic-search.ipynb)

### Vector DBs

- [ ] [Using Pinecone for embedding search](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/pinecone/Using_Pinecone_for_embeddings_search.ipynb)
- [ ] [Elastic Search RAG](https://github.com/openai/openai-cookbook/blob/main/examples/vector_databases/elasticsearch/elasticsearch-retrieval-augmented-generation.ipynb)

### Functions

- [x] [ChatGPT Functions](https://github.com/openai/openai-cookbook/blob/main/examples/azure/functions.ipynb) @colombod

### Other

- [x] [Dall-E](https://github.com/openai/openai-cookbook/blob/main/examples/azure/DALL-E.ipynb) @colombod
- [ ] [Financial document analysis with LlamaIndex](https://github.com/openai/openai-cookbook/blob/main/examples/third_party_examples/financial_document_analysis_with_llamaindex.ipynb)

## P2

### Embeddings

- [ ] [Customize embeddings](https://github.com/openai/openai-cookbook/blob/main/examples/Customizing_embeddings.ipynb)
- [ ] Visualize Embeddings using force layout and similarity

### Finetuning

- [ ] [Chat finetuning data prep](https://github.com/openai/openai-cookbook/blob/main/examples/Chat_finetuning_data_prep.ipynb)
- [ ] [Finetune chat models](https://github.com/openai/openai-cookbook/blob/main/examples/How_to_finetune_chat_models.ipynb)
- [ ] [Finetuned RAG with Qdrant](https://github.com/openai/openai-cookbook/blob/main/examples/fine-tuned_qa/ft_retrieval_augmented_generation_qdrant.ipynb)

### Other

- [x] [Clustering](https://github.com/openai/openai-cookbook/blob/main/examples/Clustering.ipynb) @colombod
- [ ] [Clustering for transaction classification](https://github.com/openai/openai-cookbook/blob/main/examples/Clustering_for_transaction_classification.ipynb)
- [ ] [Multiclass classification for transactions](https://github.com/openai/openai-cookbook/blob/main/examples/Multiclass_classification_for_transactions.ipynb)
- [ ] [Build a tool agent using Semantic Kernel](https://github.com/openai/openai-cookbook/blob/main/examples/How_to_build_a_tool-using_agent_with_Langchain.ipynb)