add generic 2x2 puzzle

Assets/Escape Room Engine/Test Assets/Test Puzzle 2x2.asset

@@ -0,0 +1,22 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: f928b97941e3469a9015316bb5ac1309, type: 3}
+  m_Name: Test Puzzle 2x2
+  m_EditorClassIdentifier: 
+  types: 02000000
+  modulePrefab: {fileID: 3619447142828341818, guid: 570ec8711c6bb224682ecace39ceb454,
+    type: 3}
+  preconditionRequirements: []
+  placementRequirements:
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+  - {fileID: 11400000, guid: 1f1825b71bae09c438a1cb52603347d6, type: 2}
+  - {fileID: 11400000, guid: 43eb2a566a244964aa3a3319eaafe1a8, type: 2}

Assets/Escape Room Engine/Test Assets/Test Puzzle 2x2.asset.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: e4eaf9e12fbdaef4cba9ce99f429d8c5
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Escape Room Engine/Test Assets/Test Theme.asset

@@ -12,8 +12,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 28d04249c1c4438da94b524e7d4afff2, type: 3}
   m_Name: Test Theme
   m_EditorClassIdentifier: 
-  minRoomSize: {x: 4, y: 6}
-  playSpace: {x: 4, y: 6}
+  minRoomSize: {x: 3, y: 5}
+  playSpace: {x: 3, y: 5}
   spaceTile: {fileID: 3229991053255736984, guid: b8f192f7cebe686468af6b1a71c4605b,
     type: 3}
   environment: {fileID: 5743657079028767629, guid: 17ecdbaca50efaa4ab503614dfec54a8,
@@ -26,4 +26,5 @@ MonoBehaviour:
   - {fileID: 11400000, guid: 29e2ae36585f4e65966bc9ea2f95ac4a, type: 2}
   puzzleCount: {x: 24, y: 24}
   puzzleTypes:
+  - {fileID: 11400000, guid: e4eaf9e12fbdaef4cba9ce99f429d8c5, type: 2}
   - {fileID: 11400000, guid: 23cf2b6a956b6a745a88334950f088dd, type: 2}