Started bondgraph library

lib/icons/Sf.icon.json

@@ -0,0 +1,25 @@
+{
+  "shapes": {
+    "f1a38ee1-8a53-454d-a398-12c14032ba79": {
+      "layer": 0,
+      "type": "text",
+      "pos": [
+        -48,
+        -32
+      ],
+      "width": 96.0,
+      "height": 64.0,
+      "color": "#000000ff",
+      "bold": true,
+      "italic": false,
+      "size": 64.0,
+      "text": "Sf"
+    }
+  },
+  "port_positions": {
+    "856b4152-e18f-46d7-889d-626cb98474aa": [
+      -8,
+      -8
+    ]
+  }
+}

src/bedit_gui/views/models/document_tree_model.py

@@ -159,7 +159,7 @@ class DocumentTreeModel(QAbstractItemModel):
         root.children.append(document_root)
 
         def _list_children(root: DocumentTreeNode, components: dict[ComponentID, Component]) -> None:
-            for component_id, component in components.items():
+            for component_id, component in sorted(components.items(), key=lambda item: (item[1].name.casefold(), item[1].name, str(item[0]))):
                 component_node = DocumentTreeNode(name=component.name, value=component, component_id=component_id, parent=root, children=[])
                 root.children.append(component_node)
                 self._component_nodes[component_id] = component_node