Create docs directory and add markdown files on LLM topics

[MattUebel]

Related to #3

Add documentation on various LLM topics.

• Overview of LLM Development

  • Add docs/overview-of-llm-development.md with sections on history, key concepts, and current state of LLM development.

• Hardware Requirements for LLMs

  • Add docs/hardware-requirements-for-llms.md detailing CPU, GPU, memory, and storage requirements for LLMs.

• Software Tools for LLMs

  • Add docs/software-tools-for-llms.md covering frameworks, libraries, and development environments for LLMs.

• Future Trends in LLMs

  • Add docs/future-trends-in-llms.md discussing emerging technologies, research directions, and potential applications of LLMs.

• README.md

  • Add a section referencing the new docs directory and its contents.
  • Provide brief descriptions and links to each markdown file in the docs directory.

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