docs: def register_plugin(self):
          """Register plugin in Spyder's main window"""
          main = self.main
          main.add_dockwidget(self)
  
          #if getattr(main.projectexplorer, 'sig_project_closed', False):
          #    pe = main.projectexplorer
          #    pe.condamanager = self
          #    pe.sig_project_closed.connect(self.project_closed)
          #    pe.sig_project_loaded.connect(self.project_loaded)
          #    self.sig_worker_ready.connect(self._after_load)
          #    self.sig_environment_created.connect(pe.sig_environment_created)
  
          self.sig_channels_updated.connect(self._save_channel_settings)