add skytils page to site

Author: MicrocontrollersDev

mkdocs.yml

@@ -97,6 +97,7 @@ nav:
           - "Essential": "latest/essential.md"
           - "OptiFine": "latest/optifine.md"
           - "Patcher": "latest/patcher.md"
+          - "Skytils": "latest/skytils.md"
   - "Launcher":
       - "Home": "launcher/home.md" 
       - "Modrinth App":