Also ignore .dot files, as they are used as output for the internal

graph

.gitignore

@@ -1,6 +1,7 @@
 *.pyc
 *.pickle
 *.m
+*.dot
 .cache
 interface/HUTN/test/grammar_action_language/util.py
 interface/HUTN/test/graph_compilation_action_language/util.py