Flyers should contain sponsors

Author: RealOrangeOne

comp/flyers.yaml

@@ -15,6 +15,7 @@ description: >-
    - descriptions of both SR and the game
    - a summary of the teams competing (a list of TLAs and names is fine)
    - the overall schedule of the competition weekend
+   - sponsors
 
   Note: much of the content of these flyers does not need to actually be new --
   the website already contains plenty of summaries of SR and the game, which can