This is because they're causing problems in housework guilds (alcohol
is used for cleaning) and since it's coming up to Christmas a lot of
guilds are starting to have permissible conversations about drinks,
rum balls, etc.
We might put these back after Christmas but make specific exceptions
for the housework guilds.
When a more advanced word blocker is introduced, we'll be able to
ban alcohol words only in the Tavern. For irony.
* Added block when user types a swear word listed in banned words
* Moved banned words check to server
* Removed unused code
* Moved banned words to separate file and fixed grammar.
* Updated chat test
* Changed error to BadRequest
* Fixed regex matching
* Updated test banned word
* Moved banned words and cached regex
* Updated banned word message
* Add ban filter only for tavern
* Added tavern id constant
* Added more tests for banned words
* Added warning to banned words
* Added alert
* Added new regex to capture markdown
* Fixed lint, spelling and importing
