build(Makefile): Add monkeytype tasks (make monkeytype_create, apply)

Author: tony

Makefile

@@ -56,3 +56,9 @@ watch_mypy:
 
 format_markdown:
 	prettier --parser=markdown -w *.md docs/*.md docs/**/*.md CHANGES
+
+monkeytype_create:
+	poetry run monkeytype run `poetry run which py.test`
+
+monkeytype_apply:
+	poetry run monkeytype list-modules | xargs -n1 -I{} sh -c 'poetry run monkeytype apply {}'