Wiring plugins to controller messages; importing plugin controller to code base; fixed VTE widget adding to bash history

src/plugins/plugin_base.py

@@ -21,7 +21,7 @@ class PluginBase:
         self.plugin_context: PluginContext = None
 
 
-    def _controller_message(self):
+    def _controller_message(self, event: BaseEvent):
         raise PluginBaseException("Plugin Base '_controller_message' must be overriden by Plugin")
 
     def load(self):