Create update.json for jsDelivr

Author: c0bra

update.json

@@ -0,0 +1,8 @@
+{
+  "packageManager": "github",
+  "name": "ui-grid",
+  "repo": "angular-ui/ng-grid",
+  "files": {
+    "include": ["./release/**/*"]
+  }
+}