[Proto] Add support for 2x2 autotiles | create connect auto tile option #1

proto/src/main/proto/map.proto

@@ -35,6 +35,7 @@ message AutoTileLayer {
   repeated uint32 tiles = 2;
   required bool animated = 3;
   required double animationDuration = 4;
+  required bool connect = 5;
 }
 
 message ObjectLayer {

proto/src/main/proto/project.proto

@@ -86,4 +86,10 @@ message AutoTileSetAsset {
   required string name = 3;
   required uint32 rows = 4;
   required uint32 columns = 5;
+  required AutoTileLayout layout = 6;
+}
+
+enum AutoTileLayout {
+  LAYOUT_2X2 = 0;
+  LAYOUT_2X3 = 1;
 }