Add Passage provider for passkeys!

Hello there!

Meet the new Passage provider for your passkeys and passwordless auth! Also, the package is more lightweight now thanks to added .gitattributes that prevent downloading unnecessary files when installing the package.

What's Changed

• Add .gitattributes file by @ker0x in #405
• Rebuild CI and fix CS by @bocharsky-bw in #408
• Fixed typo in keycloak configuration example by @adamwojs in #411
• Add new provider Passage by @malteschlueter in #418

New Contributors

• @adamwojs made their first contribution in #411
• @malteschlueter made their first contribution in #418

Full Changelog: v2.15.0...v2.16.0