Optimized image attachment to reduce jank

Implemented image attachment support

Updated readme

1.5

Decreased width for Settings and made title prompt text area to follow font size as a preview

Hide copy/retry buttons if the chat is streaming

Added ability to change font size

Refactor text field focus logic

Add stop chat feature

Fixed white text on white bg in dark mode

1.4

Displaying "..." when LLM is processing request

Implemented message retry action

Added ability to delete all threads

1.3