Put back a dependancy I removed because I thought it wasn't needed anymore 🤦‍♀️

mtgcardlookup.py

@@ -3,6 +3,7 @@
 import os # Used exactly once to check for the config file
 import shutil # Used exactly once to copy the sample config file
 import asyncio
+import aiohttp
 import re
 import json
 import io

requirements.txt

@@ -1,3 +1,6 @@
+# For making asynchronous http requests
+aiohttp
+
 # For stripping HTML from status content
 nh3