sources: updated bad words list

- a couple more words for the list
- added future feature plan to switch over to regex-based bad word
  matching.

README.md

@@ -19,6 +19,7 @@ be deployed with pip, so it's not mentioned in the dependencies.
 - Add more sources (currently, only Reddit)
 - An ability to remotely send images/text to the billboard for immediate display
 - ~~Take screenshot of the current display and serve it over HTTP~~
+- regex-based bad words filtering
 - Support Python 2
 - Switch to PyQt5
 - ...

billboard/sources/bad-words.txt

@@ -1,4 +1,4 @@
-anal
+nal
 anus
 arse
 ass
@@ -9,6 +9,7 @@ bellend
 bell end
 bitch
 biatch
+ bj 
 bloody
 blowjob
 blow job
@@ -41,6 +42,7 @@ feck
 fellate
 fellatio
 felching
+fetish
 fisting
 fuck
 f u c k