feat: Add Passkey support

- Added a button for logging in with Passkeys in `login.blade.php`
- Refactored the `register` method and added the `login` method in `auth.js`
- Made various modifications and additions to the passkey functionality in `PasskeysController.php`
- Added event listener for login-passkey element in `app.js`
- Modified the passkeys table schema and made modifications to `Passkey.php`
- Changed the redirect route in the `login` method of `AuthController.php`
- Made modifications and additions to the routes in `web.php`
- Added `"web-auth/webauthn-lib": "^4.7"` to the list of required packages in `composer.json`
- Changed the redirect URL in `AdminTest.php`

resources/css/colours.css

@@ -9,6 +9,10 @@ a {
   &:visited {
     color: var(--color-link-visited);
   }
+
+  &.auth:visited {
+    color: var(--color-link);
+  }
 }
 
 #site-header {

resources/css/layout.css

@@ -22,4 +22,10 @@ footer {
   & .iwc-logo {
     max-width: 85vw;
   }
+
+  & .footer-actions {
+    display: flex;
+    flex-direction: row;
+    gap: 1rem;
+  }
 }