Remove outdated PNG image and add new PNG image; update SVG for dark mode support and improved styling

Update index.md and index.html to enhance content on AI models, including Baichuan AI and Alibaba's Qwen series

Update README.md and index.md to reflect current LLM trends and events, enhancing content relevance and clarity

Update use cases in index.md for Prithvi-EO-2.0 and Terramind, enhancing clarity and detail on model releases

Add sections on LLM ecosystem continuation and Nous Research in index.md and index.html, improving content structure and clarity

Revise content in index.md and index.html for non-transformer architectures, updating examples and improving clarity

Update index.md to enhance structure and clarity, including revised subtitles, added usage section, and improved content organization

Revise content in index.md and index.html for clarity and structure, including updates on user demand, open source projects, and future vision