Added controller and template
Raw content copy from FIRSTWiki
Removed edit tags
Moved TOC to affixed nav; Cleaned section IDs
Updates competition season homepage in prep for build season ending today.
Updates per discussion in #425
Added link to /webcasts
Changes video URL patterns to hit TBA.net.

Instead of calling videos.thebluealliance.com, we now call
videos.thebluealliance.net. This lets us remove the .com dependency
from the server config.

Tested by changing and observing the URL change on my dev box. Videos
still played.
Competition Season
Revert "Changes video URL patterns to hit TBA.net."

This reverts commit 9916fcadf714bb3a8a6f01d21a0107dc1847e0d0.