feat(datas): add Battle's Metal Depot map

sonic-radiance.love/datas/gamedata/maps/battle/mdepot/init.lua

@@ -0,0 +1,15 @@
+return {
+  name = "Metal Depot",
+  blocks    = {
+    { 48,  0, 32, 96, "top1", "side"},
+    {144, 32, 32, 64, "top2", "side"},
+    {240, 32, 32, 96, "top1", "side"},
+    {336, 32, 32, 64, "top2", "side"},
+    {432,  0, 32, 96, "top1", "side"},
+  },
+  parallax  = {
+    {0,   0,  .50,  0, true, false, "back1"},
+    {0,  15,  .75, .50, true, false, "back2"},
+    {0,  64,  .90, .90, true, false, "back3"},
+  }
+}

sonic-radiance.love/scenes/test_scene/init.lua

@@ -33,7 +33,7 @@ function MovePlayer:new(playerNumber, cameraMode)
   MovePlayer.super.new(self)
   self.assets:batchImport("scenes.test_scene.assets")
 
-  World(self, "battle", "library")
+  World(self, "battle", "mdepot")
 
   self.world:setPlayerNumber(playerNumber)
   self.world.cameras:setMode(cameraMode)