start implementation of recipe selection

frontend/config.py

@@ -1,4 +1,4 @@
-from enum import Flag
+from enum import Flag, Enum
 
 # DEFAULT_CALIB = 307333.83
 DEFAULT_CALIB = -105030.71880199667
@@ -14,4 +14,8 @@ MOV_AVG_DEFAULTS = {
 class DISPLAY_TYPES(Flag):
     NUMBER = 1
     CIRCLE = 2
-    TIMER = 4
+
+class DISPLAY_MODES(Enum):
+    MAIN = 1
+    SETTINGS = 2
+    RECIPE_SELECTION = 3