Further Refactor Chatlayout and Expand Libraries

[fingerthief]

Summary

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This pull request continues the work on cleaning up the ChatLayout component and breaking functionality into functions that live in dedicated libraries. This PR along with recent changes has already massively reduced the size and complexity of the ChatLayout component.

Changes

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• Created new file-processing library
• Renamed message-sending library to message-processing
• Converted general file related functions in ChatLayout to live in the new file-processing library.
• Updated message-processing with vision related message function
• Moved ChatLayout refs etc.. outside of the script tag.
• Simplified various small functions in ChatLayout.
• Organized code in ChatLayout into labeled regions grouped together by functionality (messaging, files, etc..)
• Remove unused variables/refs.
• Fixed issue where loading animation wasn't active for vision requests.
• Fixed issue where ToolTips would block interaction with UI components.
• Changed ToolTip position to bottom instead of top
• Site formatting update via prettier config file to establish a project wide code formatting standard
• Added a Pull Request template to be used for new PRs
• Fixed issue (I think) that was causing the local browser model to be selected and loaded by default for first time users.

Contents (#121)

Other

• Update tooltip placement and interactivity

Uncategorised!

• Refactored ChatLayout component to be more streamlined and better organized.
• Update issue templates
• Add a pull request template to the project
• Update changelog
• Site formatting update via prettier config file update to establish a project wide code formatting standard

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