TODO
====
-* Lose condition (no turnips and no seeds)
* Win condition
* Battery and light power consts
* Mould resistances
* Save game
* More sounds
* Five levels
-* Sunrise transition screen
-* 'End the Day' button
* Seralize light on / off and colour selection state across day / night transition
-* 'Dawn breaks' transition screen
Done
====
* All lights multicolour
* Light direction configuration
* Fitting rotation
+* Sunrise transition screen
+* Lose condition (no turnips and no seeds)
+* 'End the Day' button