All plugins returning the same output Plugin'd HomePage Happy Coding

I have a created a plugin to add a custom field in my admin UI. I can see the plugin in the sidebar. however, when I click on the link, it is showing output
Plugin’d HomePage Happy Coding

This topic has been created from a Discord post (1229712680219054102) to give it more visibility.
It will be on Read-Only mode here.
Join the conversation on Discord

That’s just some boilerplate code you get when you generate a plugin. If you don’t need the sidebar item you can just remove it. See the plugin development docs. In this case; specifically the admin API docs Admin Panel API for plugins | Strapi Documentation