Fix chess post metadata display
Use full name on chess post for consistency
Fix color indicator in blog metadata
Add some custom things to chess games
* Chess games can now have a tournament and games can be searched per
tournament
* URLs for chess games do not contain the date (aliases for existing
games are provided)
Open the analysis board in a new tab/page
Link the FEN to a lichess analysis board
Fix some styling around tags
Post about my first chess game
layout/post: put tags on top under date