feat: Migrate from Copy Me That (#2212)

* implemented copymethat migration

* added migration tree

* added translation support

* genericized example jpgs

* added test data

* fixed test archive

* switched recipe create to service
added test for timeline event creation

* linting

* lxml go brrr

mealie/services/migrations/__init__.py

@@ -1,4 +1,5 @@
 from .chowdown import *
+from .copymethat import *
 from .mealie_alpha import *
 from .nextcloud import *
 from .paprika import *