move demo code to examples/

examples/web/static/tests/helpers/mock_server.ts

@@ -0,0 +1,17 @@
+import { TestData } from "./test_data";
+
+export class MockServer {
+  data: TestData;
+
+  constructor(data: TestData) {
+    this.data = data;
+  }
+
+  rpc(route: string, params: any): Promise<any> {
+    if (route === "web/action/load") {
+      const action = this.data.actions.find(a => a.id === params.action_id);
+      return Promise.resolve(action);
+    }
+    return Promise.resolve(true);
+  }
+}