Core: Generation of python bindings for Assembly (#22574)

* adding XML, CmakeLists, and interfaces.

* removing Dict, List from typing imports.

* Normalizing imports.

src/Mod/Assembly/App/SimulationGroupPy.pyi

@@ -0,0 +1,18 @@
+from Base.Metadata import export
+
+from App.DocumentObjectGroup import DocumentObjectGroup
+
+@export(
+    Father="DocumentObjectGroupPy",
+    Name="SimulationGroupPy",
+    Twin="SimulationGroup",
+    TwinPointer="SimulationGroup",
+    Include="Mod/Assembly/App/SimulationGroup.h",
+    Namespace="Assembly",
+    FatherInclude="App/DocumentObjectGroupPy.h",
+    FatherNamespace="App",
+)
+class SimulationGroupPy(DocumentObjectGroup):
+    """
+    This class is a group subclass for joints.
+    """