feat(gaurds): use better smartguards to verify action authorization

ts/demo/demo.data.users.ts

@@ -0,0 +1,9 @@
+export const users = [
+  {
+    id: 'user1',
+    data: {
+      username: 'admin',
+      password: 'password',
+    }
+  }
+]

ts/demo/index.ts

@@ -35,4 +35,17 @@ export const installDemoData = async (cloudlyRef: Cloudly) => {
     await cluster.delete();
   }
 
+  // ================================================================================
+  // USERS
+  const users = await cloudlyRef.authManager.CUser.getInstances({});
+  for (const user of users) {
+    await user.delete();
+  }
+
+  const demoDataUsers = await import('./demo.data.users.js');
+  for (const user of demoDataUsers.users) {
+    const userInstance = new cloudlyRef.authManager.CUser();
+    Object.assign(userInstance, user);
+    await userInstance.save();
+  }
 }