Cleanup to platform, version, and README
Description
- Change gem version to omit platform version. E.g.
arm64-darwin
instead ofarm64-darwin-21
. This causes the gem to not be located correctly in RubyMine. - Also pushed new gem with correct platform and yanked old one.
- Updated gem version to match currently published version
- Cleaned up README some
- Added a
.ruby-version
file