Update README.md

Implemented:
- More teams than top 20
- Click on the player to open armory
- Add website for KR
- Refactor final kmeans implementation, remove numl and Accord
- Set smaller expiration date for teams that were seen only a few times
- Delete expired (1 game per day?) entries from leaderboard
ASAP: prepopulate fotm specs

Cut/not needed anymore: 
- Publish period for when the data was collected somewhere on the page
- Add NavBar for FotM section to choose fotms by class, not spec