This is only front-end

Keep calm. Just do this

Go to this website

https://nodejs.org/download/release/v16.6.0

for windows users, find the one ending with x64.msi. Click and install it

if you followed this step, you should have npm installed as well

Now open the command line in the project directory

npm ci npm run serve

And you got a working front end website

Disclaimer: if you touch the config files, make sure you know what you are doing. Because it is very easy to fall down a rabbit hole of Javascript frameworks. I kid you not it is not worth falling into that rabbit hole

User clicks login User arrives at login page Script sends OAuth to API with params if exist if API returns authorized: if param does not exist: return to last url || homepage and alert('already authorized') else: return to last url || homepage and alert('authorized successfully') else: Browser Opens OAuth uri in same tab user runs OAuth OAuth closes and user returns to original url with params go to start