create dedupe stub

src/layers/dedupe.py

@@ -0,0 +1,13 @@
+from pathlib import Path
+from dir import Root
+from layer import Layer
+
+
+class Dedupe(Layer):
+    def __init__(self, other: Root, log_path: Path):
+        super().__init__(log_path, "TCD")
+        self.other = other
+
+
+    def __process(self, root: Root):
+        pass

src/layers/layer.py

@@ -1,9 +1,13 @@
 from abc import ABC, abstractmethod
 from dir import Root
+from log import Log, LogCat
+from pathlib import Path
 
 class Layer(ABC):
-    def __init__(self):
-        pass
+    def __init__(self, log_path: Path, log_category: str):
+        self.log_path = log_path
+        self.__log = Log(log_path)
+        self.log = LogCat(self.__log.queue, log_category)
 
     @abstractmethod
     def __process(self, root: Root):