Version 1.4.1+1

[GroovinChip]

Update pubspec.yaml with repository and new homepage field.

Pre-launch Checklist

• [x] I have run dartfmt on all changed files
• [x] I have incremented the package version as appropriate and updated CHANGELOG.md with my changes
• [x] I have added/updated relevant documentation
• [x] I have run "optimize/organize imports" on all changed files
• [x] I have addressed all analyzer warnings as best I could