init commit with repo structure and basic files

labeler/interfaces.py

@@ -0,0 +1,15 @@
+import abc
+
+from labeler.domain.objects import LabelDefinition, Image, MediaDefinition
+
+
+class Renderer(abc.ABC):
+    @abc.abstractmethod
+    def render_label(self, label_definition: LabelDefinition) -> Image:
+        pass
+
+
+class Printer(abc.ABC):
+    @abc.abstractmethod
+    def get_installed_media(self) -> MediaDefinition:
+        pass