Implement "Events" page

[ghost]

Subtasks:

• [ ] use tailwind component for hero section
• [x] use tailwind component for table
• [x] define content type
• [ ] create empty pages for outgoing links
• [x] define content structure for events database and populate with some sample data

[ghost]

use tailwind component for table define content type define content structure for events database and populate with some sample data

The items above were addressed by #373 and https://github.com/ocaml/ood/commit/e5b537fd12956391fe9bb90edbc479434d3911d4#diff-fe1a9027609c6cd490164da2985c08a8656a632c99f4ad391f1788625718dd6b.

[ghost]

The hero component is ready.