Add maximum line count

Author: dkay0670

techsupport_bot/commands/correct.py

@@ -62,6 +62,13 @@ async def correct_command(
             )
             return
 
+        if updated_message.count("\n") > 15:
+            await auxiliary.send_deny_embed(
+                message="The corrected message has too many lines to send",
+                channel=ctx.channel,
+            )
+            return
+
         embed = auxiliary.generate_basic_embed(
             title="Correction!",
             description=f"{updated_message} :white_check_mark:",