Add trusted_types.js scriptlet (#194)

* update metadata.json
* build dist/resources.json

---------

Co-authored-by: Anton Lazarev <[email protected]>

Author: ryanbr

dist/resources.json

@@ -79,6 +79,14 @@
         },
         "resourcePath": "touch-fix.js"
     },
+    {
+        "name": "trusted_types.js",
+        "aliases": [],
+        "kind": {
+            "mime": "application/javascript"
+        },
+        "resourcePath": "trusted_types.js"
+    },
     {
         "name": "vaft-ublock-origin.js",
         "aliases": [],

metadata.json

@@ -0,0 +1,9 @@
+/// set-trusted-types.js
+function setTrustedTypes() {
+  if (window.trustedTypes && window.trustedTypes.createPolicy) {
+    window.trustedTypes.createPolicy("default", {
+      createScript: string => string
+    });
+   }
+   runAt(() => {}, 'interactive');
+}