replace twitter.com with fxtwitter.com

app/bot.py

@@ -50,6 +50,20 @@ async def fix_cdn_url(ctx):
         return
 
 
+@bot.listen("on_message")
+async def fix_twitter_url(ctx):
+    if "https://twitter.com" in ctx.content:
+        await ctx.delete()
+        await ctx.channel.send(
+            "%s said:\n\n%s"
+            % (
+                ctx.author.mention,
+                ctx.content.replace("twitter.com", "fxtwitter.com"),
+            )
+        )
+        return
+
+
 @bot.listen("on_message")
 async def convert_heic_to_jpg(ctx):
     from cmagick import cmagick