refactor rendersystem and introduce new TiledService and AssetService

.gitignore

@@ -163,3 +163,6 @@ Thumbs.db
 ## You could also add that configuration to the text in nativeimage.gradle .
 ## You should delete or comment out the next line if you have configuration in a different resource-config.json .
 **/resource-config.json
+
+## Tiled
+*.tiled-session

assets/maps/mystic.tiled-session

@@ -1,60 +0,0 @@
-{
-    "Map/SizeTest": {
-        "height": 4300,
-        "width": 2
-    },
-    "activeFile": "mainmap.tmx",
-    "expandedProjectPaths": [
-        "."
-    ],
-    "fileStates": {
-        "mainmap.tmx": {
-            "scale": 1.74265625,
-            "selectedLayer": 4,
-            "viewCenter": {
-                "x": 152.9274634627455,
-                "y": 285.1968080337129
-            }
-        },
-        "objects.tsx": {
-            "dynamicWrapping": true,
-            "scaleInDock": 1,
-            "scaleInEditor": 1
-        },
-        "secondmap.tmx": {
-            "scale": 1.6328125,
-            "selectedLayer": 4,
-            "viewCenter": {
-                "x": 288.1531100478469,
-                "y": 256
-            }
-        },
-        "tileset.tsx": {
-            "dynamicWrapping": false,
-            "scaleInDock": 1,
-            "scaleInEditor": 1
-        }
-    },
-    "frame.defaultDuration": 250,
-    "last.imagePath": "/home/gaja/IdeaProjects/mystictutorial/assets/maps/objects",
-    "map.height": 14,
-    "map.lastUsedFormat": "tmx",
-    "map.layerDataFormat": null,
-    "map.width": 20,
-    "openFiles": [
-        "mainmap.tmx",
-        "tileset.tsx",
-        "objects.tsx"
-    ],
-    "project": "mystic.tiled-project",
-    "property.type": "float",
-    "recentFiles": [
-        "objects.tsx",
-        "tileset.tsx",
-        "mainmap.tmx"
-    ],
-    "tileset.lastUsedFormat": "tsx",
-    "tileset.margin": 4,
-    "tileset.spacing": 8,
-    "tileset.type": 1
-}