Adding a gitignore file and editorconfig support with sane baseline configs
Removing all personal/user-specific config files (and blacklisting them in gitignore)
Removing all extra backup files
Adding a proper changelog (it's better than what's in the release notes, but still missing things I'm sure - you don't seem to have full changelogs - please fix this! Keep the changelog up-to-date! And use the format applied currently (it's based on Keep a Changelog and is tailored to be both easily human- and machine-readable)
Updated the app preview image
Overhaul the README file - some cleanup, some additions, some grammar/spelling tweaks, and convert the whole thing to proper markdown
This doesn't change any functional code.
Current changes include: