User's need to create tools that reference environemnt variables .. AutoGen Studio should make that easy.

Current design propopsal

• Add an environment variables tab in the settings page. Add UI for adding, modifying editing environment variables
• Add a settings db table for persistence of of a SettingsConfig that can be persisted.
• Add logic to load environemnt variables just before a team is run.

Based on user comment from reddit
https://www.reddit.com/r/AutoGenAI/comments/1ikbhvo/comment/me5fell/?context=3