Add app ID for WinRT deep links (#684)

docs/windows-app-web-link-ref.json

@@ -0,0 +1,13 @@
+{
+  "json": [
+    {
+      "packageFamilyName": "MicrobitEducationalFounda.196216C47839B_e88r6s0b2swar",
+      "paths": [
+        "*"
+      ],
+      "excludePaths": [
+        "/docs/*"
+      ]
+    }
+  ]
+}