I was looking for a way to add a panel and I found
QDockWidget but I don't seem to find the way to add a new panel since examples I've seen use a Qgis tool to create these panels or use
QDockWidgetto show or hide existent panels by their name.
So the question is: How could I add a custom
QDockWidget as a Qgis Panel with the content I tell it to load?
This is the way I've been able to create it, it can only be appended to the plugin's interface.
I want it to be placed in the Qgis interface like this one: