v1.1.0 - Greg KH fixes and improvements

What's Changed

Bug Fixes (reported by Greg KH)

• Fixed date validation to check against current year (#1)
• Removed set -e to show all validation errors (#2)
• Accept both stable@kernel.org and stable@vger.kernel.org (#3)
• Removed all emojis from script outputs (#4)

Improvements

• Added GitHub Actions CI with shellcheck
• Added badges to README
• Added related resources section with Greg KH's tutorials
• Improved documentation and examples

Full Changelog: v1.0.0...v1.1.0