Docs: configure proper URL

Author: Kade-N

.github/workflows/main.yml

@@ -133,6 +133,9 @@ jobs:
           cd Spore-ModAPI
           python3 ../m.css/documentation/doxygen.py "Documentation/Doxygen-mcss.txt" --debug
 
+      - name: Configure URL
+        run: echo "modapi-docs.sporecommunity.com" > modapi-generated-docs/html/CNAME
+
       - name: Commit documentation pages
         run: |
           cd Spore-ModAPI