**** Update README to Reflect Python 3.11 Support and Improved Usage Instructions**

[sukeesh]

**
This pull request updates the README.md file to reflect the following changes:

• Python Version Update: Changed the badge to indicate support for Python 3.11+ instead of 3.8+.

• Enhanced Configuration Section:

  • Added detailed instructions for GitHub CLI authentication, emphasizing the need to authenticate before using GHPush.
  • Clarified the operating modes, highlighting the AI Mode as recommended and providing more context on the Basic Mode.

• Improved Usage Instructions:

  • Streamlined the basic usage example for clarity.
  • Included a tip to remind users to authenticate with GitHub CLI prior to running GHPush.

These updates aim to provide clearer guidance for users and ensure they are aware of the latest supported Python version.

Key Changes:

• Updated Python version badge.
• Added GitHub CLI installation and authentication instructions.
• Enhanced clarity on operating modes and usage steps.

💡 Tip: Make sure you've authenticated with GitHub CLI (gh auth login) before using GHPush.