Add more things to the word filter

Author: williammck

src/util/filter.json

@@ -109,6 +109,9 @@
     "cuckold",
     "goy",
     "nigg?(let|ette|ress|[- ]?nog|[au]h?)",
-    "morse"
+    "morse",
+    "nazis?",
+    "卐",
+    "swastikas?"
   ]
 }