Code cleanup

Create packages

mopidy_touchscreen/screens/base_screen.py

@@ -0,0 +1,13 @@
+class BaseScreen():
+
+    def __init__(self, size, base_size, manager, fonts):
+        self.size = size
+        self.base_size = base_size
+        self.manager = manager
+        self.fonts = fonts
+
+    def update(self, surface):
+        pass
+
+    def event(self, event):
+        pass