Update edu.json

Author: adamfowlerit

_data/portals/edu.json

@@ -65,7 +65,7 @@
         "portalName": "AI Skills for Educators",
         "primaryURL": "https://www.microsoft.com/en-us/corporate-responsibility/digital-skills/ai-skills-for-educators"
          },
-        {
+      {
         "portalName": "MakeCode Arcade",
         "primaryURL": "https://arcade.makecode.com/"
                 "secondaryURLs": [