A lot of things

- Added Database page.
- Added Xenforo API compatibility
- Added Hovercard
- Added Notifications

resources/css/app.css

@@ -12,6 +12,9 @@
 @import './components/cards.css';
 @import './components/modal.css';
 @import './components/files.css';
+@import './components/database.css';
+@import './components/hovercard.css';
+@import './components/notifications.css';
 
 @import './components/easymde.css';