Add common scams from discord to blocked usernames by default

src/util/config/types/UsersConfiguration.ts

@@ -17,6 +17,6 @@
 */
 
 export class UserConfiguration {
-    blockedContains: string[] = ["discord", "clyde", "spacebar"];
+    blockedContains: string[] = ["discord", "clyde", "spacebar", "steam", "community", "support", "ticket"];
     blockedEquals: string[] = ["everyone", "here"];
 }