feat: add linter and clean up code

[amanji]

• feat: update submodule
• feat: add eslint
• chore: lint and fix lint errors
• feat: add prettier
• chore: code cleanup
• chore: more code and UI cleanup

[amanji]

A lot of it is white space and type changes from running the linter and prettier. Shouldn't have this many file changes moving forward.