docs: add comprehensive system requirements section

[jadibdev]

This commit adds a detailed System Requirements section to README.md, including:

• Supported operating systems with WSL2 note for Windows
• Minimum hardware specifications
• Required software versions
• Additional prerequisites

These changes are needed because:

1. The current README lacks clear system requirements information
2. Users need to know if their system is capable of running AutoGPT before installation
3. Having clear version requirements helps prevent compatibility issues
4. WSL2 requirement for Windows users is crucial information that was missing

Changes 📝

• Added new "System Requirements" section after the setup instructions
• Organized requirements into clear categories:
  • Operating Systems
  • Hardware Requirements
  • Required Software Versions
  • Additional Prerequisites
• Included specific version numbers for all required software
• Added note about WSL2 requirement for Windows users

Fixes #10050

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This PR targets the master branch but does not come from dev or a hotfix/* branch.

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[Bentlybro]

Hey thank you for this PR, it looks good but it seems this PR #10054 is set to merge which seems to do the same thing as this one!

Will close for now as to not have duplicated work but once again thank you for this PR!