Add events section (#18)

* Add events section

* Try build fix

* Header improvements

* Update almost everything

src/css/main.css

@@ -11,6 +11,7 @@
 @import 'sections/podcast.css';
 @import 'sections/team.css';
 @import 'sections/meetups.css';
+@import 'sections/events.css';
 @import 'sections/media.css';
 @import 'sections/spenden.css';
 @import 'sections/soundboard.css';