failed to see the content in webapp

[ahmaddiqi]

failed to see the content in web app, in my browser just login button and pop-up, afterthat, the pop-up is close

[Fleker]

What web app are you talking about?

[dalequark]

This is because there's a step missing in the setup instructions, which is enabling sign in with Google through Firebase Auth. In the firebase console, go to Authentication and then enable Sign-in with Google.