Added Controls testing + documentation

src/myfasthtml/controls/InstancesDebugger.py

@@ -1,5 +1,7 @@
 from myfasthtml.controls.Panel import Panel
+from myfasthtml.controls.Properties import Properties
 from myfasthtml.controls.VisNetwork import VisNetwork
+from myfasthtml.core.commands import Command
 from myfasthtml.core.instances import SingleInstance, InstancesManager
 from myfasthtml.core.network_utils import from_parent_child_list
 
@@ -8,12 +10,26 @@ class InstancesDebugger(SingleInstance):
   def __init__(self, parent, _id=None):
     super().__init__(parent, _id=_id)
     self._panel = Panel(self, _id="-panel")
+    self._command = Command("ShowInstance",
+                            "Display selected Instance",
+                            self.on_network_event).htmx(target=f"#{self._panel.get_id()}_r")
   
   def render(self):
     nodes, edges = self._get_nodes_and_edges()
-    vis_network = VisNetwork(self, nodes=nodes, edges=edges, _id="-vis")
+    vis_network = VisNetwork(self, nodes=nodes, edges=edges, _id="-vis", events_handlers={"select_node": self._command})
     return self._panel.set_main(vis_network)
   
+  def on_network_event(self, event_data: dict):
+    session, instance_id = event_data["nodes"][0].split("#")
+    properties_def = {"Main": {"Id": "_id", "Parent Id": "_parent._id"},
+                      "State": {"_name": "_state._name", "*": "_state"},
+                      "Commands": {"*": "commands"},
+                      }
+    return self._panel.set_right(Properties(self,
+                                            InstancesManager.get(session, instance_id),
+                                            properties_def,
+                                            _id="-properties"))
+  
   def _get_nodes_and_edges(self):
     instances = self._get_instances()
     nodes, edges = from_parent_child_list(