[Proto] Add support for auto tile layer

proto/src/main/proto/map.proto

@@ -18,9 +18,10 @@ message Layer {
 
   oneof layer {
     TileLayer tileLayer = 2;
-    ObjectLayer objectLayer = 3;
-    ColorLayer colorLayer = 4;
-    ImageLayer imageLayer = 5;
+    AutoTileLayer autoTileLayer = 3;
+    ObjectLayer objectLayer = 4;
+    ColorLayer colorLayer = 5;
+    ImageLayer imageLayer = 6;
   }
 }
 
@@ -29,6 +30,11 @@ message TileLayer {
   repeated uint32 tiles = 2;
 }
 
+message AutoTileLayer {
+  required string autotileUID = 1;
+  repeated bool tiles = 2;
+}
+
 message ObjectLayer {
   repeated PassageAbility passageMap = 1;
   repeated MapObject objects = 2;