Add Github Action workflow to build and test crate
Add allow-fail rustfmt and clippy job to CI
Test only the stable mac toolchain
Add workflow_dispatch to manually trigger actions
Add note in README.md examples to view images at 100% magnification
Remove old CI badge from README
Add Github Action workflow to build and test crate Add allow-fail rustfmt and clippy job to CI Test only the stable mac toolchain Add workflow_dispatch to manually trigger actions Add note in README.md examples to view images at 100% magnification Remove old CI badge from README
closes #7