* docs: add DeepSeek R1 local installation guide
- Add comprehensive guide for running DeepSeek R1 locally
- Include step-by-step instructions with screenshots
- Add VRAM requirements and model selection guide
- Include system prompt setup instructions
* docs: add comprehensive guide on running AI models locally
* docs: address PR feedback for DeepSeek R1 and local AI guides
- Improve language and terminology throughout
- Add Linux support information
- Enhance technical explanations
- Update introduction for better flow
- Fix parameters section in run-ai-models-locally.mdx
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Co-authored-by: Louis <louis@jan.ai>