Update README.md

[imotai]

PR-Codex overview

This PR focuses on updating the README file with instructions for installing the code interpreter agent for LLM.

Detailed summary

• Removed the image of the code interpreter from the README.
• Added instructions for installing the code interpreter agent for Python and Bash using requirements.txt.
• Added instructions for installing the code interpreter agent for TypeScript using tslab and tslab install.

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