Better Gemini

With Better Gemini you can finally customize Gemini Chat with cleaner layout controls, readable typography, personalized themes and overall less clutter. Adjust Chat width, font size, line height and custom themes. More feautures to come! Feel free to give feedback or request new features! **Change Log** v1.3 - Updated Layout configuration and handling - Improved chat input hiding - Improved consistency for light themes v1.2 - Fixed width of chat bubble when editing - Improved consistency of automatic hiding of chat input v1.1 - Added a new option to auto-hide the chat input - Improved width scaling so the chat area flows more naturally with available space - Updated user chat bubble sizing to better match the adaptive layout - Enhanced clutter removal for a cleaner interface - Improved bright theme handling based on the luminosity of the card color - Fixed a bug that could cause stutter while scrolling