dynamic models for all the platforms!

Created by: russellballestrini

modified:   .gitignore
modified:   README.rst
modified:   app.py
modified:   templates/base.html
modified:   templates/chat.html
new file:   vars.sh.sample

Summary by CodeRabbit

• New Features

  • Introduced a dynamic model selection interface that automatically retrieves and displays currently available models.
  • Added an API endpoint that enables real-time querying of active model options.

• Documentation

  • Updated configuration instructions to simplify setting up environment variables and API keys.
  • Removed outdated dependency references to streamline the setup process.

• Chores

  • Refined repository settings by excluding sensitive configuration files.
  • Provided a sample configuration file to facilitate easier environment setup.