Add example for bad-super-call

doc/data/messages/b/bad-super-call/bad.py

@@ -0,0 +1,7 @@
+class Foo:
+    pass
+
+
+class Bar(Foo):
+    def __init__(self):
+        super(Foo, self).__init__()  # [bad-super-call]

doc/data/messages/b/bad-super-call/details.rst

@@ -0,0 +1,4 @@
+In Python 2.7, ``super()`` has to be called with the own class and ``self`` as arguments (``super(Bar, self)``), which can
+lead to a mix up of parent and child class in the code.
+
+In Python 3 the recommended way is to user ``super()`` without arguments (see also ``super-with-arguments``).

doc/data/messages/b/bad-super-call/good.py

@@ -0,0 +1,7 @@
+class Foo:
+    pass
+
+
+class Bar(Foo):
+    def __init__(self):
+        super().__init__()

doc/data/messages/b/bad-super-call/related.rst

@@ -0,0 +1 @@
+- `Documentation for super() <https://docs.python.org/3/library/functions.html#super>`_