Bug 1883590 - Implement the model hub client - r=gregtatum

Signed-off-by: Tarek Ziadé <tarek@ziade.org>

Differential Revision: https://phabricator.services.mozilla.com/D203598

Author: tarekziade

browser/base/content/test/static/browser_all_files_referenced.js

@@ -283,6 +283,12 @@ var allowlist = [
   // Bug 1875361
   { file: "chrome://global/content/ml/SummarizerModel.sys.mjs" },
 
+  // Bug 1886130
+  {
+    file: "chrome://global/content/ml/tests/acme/bert/resolve/main/config.json",
+  },
+  { file: "chrome://global/content/ml/ModelHub.sys.mjs" },
+
   // toolkit/xre/MacRunFromDmgUtils.mm
   { file: "resource://gre/localization/en-US/toolkit/global/run-from-dmg.ftl" },