Update docs to add remixicon-react as dependency

Add Endspace theme dependency instructions to README

Add official Endfield website link to README files

Update README.ja.md

Update README.en.md

Update README.md

Update live preview links to use HTTPS

Add multilingual README files and update main README

Create LICENSE

Add Patreon and custom funding links

Create README.md

Remove Endspace theme UI components

Add custom loading image and update mobile nav icons

Update UI styles and icons for controls and footer

Revamp UI with yellow accent and floating controls