How does the web application work today? Watch the following video CAREFULLY it is explained.
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WHAT SHOULD THE WEB APPLICATION DO?
The web application to log in to a page that has premium payment plans, for this it will use a username and password.
The web application must allow to share this single account of a page between several users. for that, a server is used that makes that website believe that all the connections come from the same server.
The web application must interact with a page in wordpress.
THE WEB APPLICATION IS ALREADY DEVELOPED BUT IT WILL BE DISCONTINUED AND A NEW ONE WILL BE CREATED, IT HAS A CODE WITHOUT DOCUMENTATION (so this will be discontinued and a new one will be created), YOU CAN LOOK AT THIS CODE FOR A GUIDE.
Do you have enough skills for this?