Added ungrouped-imports message example

Author: matusvalo

doc/data/messages/u/ungrouped-imports/bad.py

@@ -0,0 +1,5 @@
+import logging
+import os
+import sys
+import logging.config  # [ungrouped-imports]
+from logging.handlers import WatchedFileHandler

doc/data/messages/u/ungrouped-imports/good.py

@@ -0,0 +1,5 @@
+import os
+import sys
+import logging
+import logging.config
+from logging.handlers import FileHandler