Implement MVP for the statue decoration minigame (#65)

MVP implemented with:
- placing, removing etc. decorations
- saving the state, displaying it on the map, restoring when game restarts
- saving screenshots to folder on device

Co-authored-by: Michal Pikulski <michal@foolhardyhorizons.com>
Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #65

Assets/Prefabs/Managers/PlayerHUD.prefab

@@ -1168,6 +1168,7 @@ MonoBehaviour:
   eagleEye: {fileID: 8093509920149135307}
   ramaSjangButton: {fileID: 4599222264323240281}
   scrabBookButton: {fileID: 2880351836456325619}
+  pauseButton: {fileID: 4413855344712201574}
   cinematicSprites: {fileID: 0}
   cinematicBackgroundSprites: {fileID: 0}
   currentCinematicPlayer: {fileID: 0}