examples for keyframing nested paths. based on report from user der_On's report [#25746]

doc/python_api/examples/bpy.types.bpy_struct.keyframe_insert.1.py

@@ -0,0 +1,31 @@
+"""
+Keying Nested Properties
+++++++++++++++++++++++++
+
+Note that when keying data paths which contain nested properties this must be
+done from the :class:`ID` subclass, in this case the :class:`Armature` rather
+then the bone.
+"""
+
+import bpy
+from bpy.props import PointerProperty
+
+
+# define a nested property
+class MyPropGroup(bpy.types.PropertyGroup):
+    nested = bpy.props.FloatProperty(name="Nested", default=0.0)
+
+# register it so its available for all bones
+bpy.utils.register_class(MyPropGroup)
+bpy.types.Bone.my_prop = PointerProperty(type=MyPropGroup,
+                                         name="MyProp")
+
+# get a bone
+obj = bpy.data.objects["Armature"]
+arm = obj.data
+
+# set the keyframe at frame 1
+arm.bones["Bone"].my_prop_group.nested = 10
+arm.keyframe_insert(data_path='bones["Bone"].my_prop.nested',
+                    frame=1,
+                    group="Nested Group")

doc/python_api/examples/bpy.types.bpy_struct.keyframe_insert.py

@@ -0,0 +1,14 @@
+"""
+Basic Keyframing
+++++++++++++++++
+
+This is the most simple example of inserting a keyframe from python.
+"""
+
+import bpy
+
+obj = bpy.context.object
+
+# set the keyframe at frame 1
+obj.location = 3.0, 4.0, 10.0
+obj.keyframe_insert(data_path="location", frame=1)