Audit and clean up wiki pages on website for relevance and accuracy

### Task Summary

Review all 22 wiki pages in the Apache Texera wiki repository and identify content that is outdated, irrelevant, or no longer accurate. Pages should either be updated, archived, or tied to a specific version where appropriate.

## Details

The following pages all need to be reviewed. For each page, determine if it should be kept as-is, updated, archived, or tied to a specific version:

- [ ] `Apache-License-header.md`
- [ ] `Build,-Run-and-Configure-micro‐services-in-local-development-environment.md`
- [ ] `Create-Dataset,-upload-data-to-it-and-use-it-in-Workflow.md`
- [ ] `Deploying-Texera-on-Amazon-Web-Services(AWS).md`
- [ ] `Deploying-Texera-on-Google-Cloud-Platform-(GCP).md`
- [ ] `Guide-for-Developers.md`
- [ ] `Guide-for-how-to-use-Texera.md`
- [ ] `Guide-to-enable-the-LLM‐based-Texera-agent.md`
- [ ] `Guide-to-Frontend-Development-(new-gui).md`
- [ ] `Guide-to-Implement-a-Java-Native-Operator.md`
- [ ] `Guide-to-Implement-a-Python-Native-Operator-(converting-from-a-Python-UDF).md`
- [ ] `Guide-to-launch-Lakekeeper-as-the-RESTCatalog-Service-for-Texera's-workflow-result-storage.md`
- [ ] `Guide-to-Use-a-Python-UDF.md`
- [ ] `Home.md`
- [ ] `How-to-run-Texera-on-local-Kubernetes.md`
- [ ] `Installing-Apache-Texera-using-Docker.md`
- [ ] `Installing-Texera-on-a-Single-Node.md`
- [ ] `Install-Texera.md`
- [ ] `Making-Contributions.md`
- [ ] `Migrate-a-Jupyter-Notebook-to-a-Texera-Workflow.md`
- [ ] `Past-GUI-screenshots.md`
- [ ] `[VOTE]-Release-Apache-Texera-(incubating)-Email-Template.md`

### Priority

P2 – Medium

### Task Type

- [ ] Refactor / Cleanup
- [ ] DevOps / Deployment / CI
- [ ] Testing / QA
- [x] Documentation
- [ ] Performance
- [ ] Other