Feature: Add tandoor widget (#3060)

---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/tandoor/widget.js

@@ -0,0 +1,17 @@
+import credentialedProxyHandler from "utils/proxy/handlers/credentialed";
+
+const widget = {
+  api: "{url}/api/{endpoint}/",
+  proxyHandler: credentialedProxyHandler,
+
+  mappings: {
+    space: {
+      endpoint: "space",
+    },
+    keyword: {
+      endpoint: "keyword",
+    },
+  },
+};
+
+export default widget;