Add new map and tileset files for Windows release

- Created test.tmj and test.tsj files in the maps directory.
- Added tileset.tsj with configuration for the MainTileset including image path and dimensions.

.vscode/tasks.json

@@ -4,13 +4,7 @@
         {
             "label": "Build Windows",
             "type": "shell",
-            "command": "go",
-            "args": [
-                "build",
-                "-o",
-                "release/windows/regin_mountain_game.exe",
-                "."
-            ],
+            "command": "mkdir -p release/windows && go build -o release/windows/regin_mountain_game.exe . && cp -r assets release/windows/ && mkdir -p release/windows/assets/maps && cp mapp-maker/*.tmj mapp-maker/*.tsj release/windows/assets/maps/ 2>/dev/null || true",
             "options": {
                 "env": {
                     "GOOS": "windows",
@@ -25,13 +19,7 @@
         {
             "label": "Build Linux",
             "type": "shell",
-            "command": "go",
-            "args": [
-                "build",
-                "-o",
-                "release/linux/regin_mountain_game",
-                "."
-            ],
+            "command": "mkdir -p release/linux && go build -o release/linux/regin_mountain_game . && cp -r assets release/linux/ && mkdir -p release/linux/assets/maps && cp mapp-maker/*.tmj mapp-maker/*.tsj release/linux/assets/maps/ 2>/dev/null || true",
             "options": {
                 "env": {
                     "GOOS": "linux",