[Enhancement][QoL] index.html is more than 1k lines of code

[gbowne1]

I feel like the index.html has way too many lines of code due to:

Added feature(s)
Poor formatting with prettier

Some other small issues.

I also feel like this has caused some issues with merge conflicts.

This file could possibly be broken down into several HTML files making it slightly more maintainable.

The current version of index.html

I've considered using web components and or making partials like navbar.html, footer.html, modals.html