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/Art/Sprites/Spritesheets/TownMap/PuzzleLevelIcons/DecorationMinigame.png.meta

@@ -122,6 +122,32 @@ TextureImporter:
     ignorePlatformSupport: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 4
+    buildTarget: WebGL
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    ignorePlatformSupport: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 4
+    buildTarget: WindowsStoreApps
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
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+    overridden: 0
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+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
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     sprites:
@@ -129,12 +155,12 @@ TextureImporter:
       name: DecorationMinigame_0
       rect:
         serializedVersion: 2
-        x: 143
-        y: 59
-        width: 701
-        height: 983
+        x: 0
+        y: 0
+        width: 962
+        height: 1109
       alignment: 0
-      pivot: {x: 0, y: 0}
+      pivot: {x: 0.5, y: 0.5}
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       customData: 
       outline: []
@@ -151,7 +177,7 @@ TextureImporter:
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     physicsShape: []
     bones: []
-    spriteID: 
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     indices: