add generic 2x2 puzzle

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}