chore: include lunew as batch script too

lunew.bat

@@ -0,0 +1,28 @@
+@ECHO OFF
+
+rem Check if lune is installed
+where lune > NUL 2>&1 (
+  rem Get lune version
+  FOR /F "tokens=2 delims=' ' " %%a IN ('lune --version') DO SET lune_version=%%a
+  rem Check if version is greater than or equal to 8 using substring comparison
+  IF "%lune_version:~-1%" GEQ 8 (
+    rem CUSTOM EXAMPLE RUNNER BEGIN
+    IF "%~1%"=="example" (
+      SET filename=%~2%
+      IF "%filename%"=="" (
+        ECHO. Usage: %0 example <example_name> [ARGS]
+        EXIT /B 1
+      )
+      SHIFT 2
+      lune run "examples\%filename%.luau" %*
+      EXIT /B %ERRORLEVEL%
+    )
+    rem CUSTOM EXAMPLE RUNNER END
+
+    IF EXIST "%1*" (lune run %*) ELSE IF EXIST ".lune\%1*" (lune run %*)
+  ) ELSE (
+    lune %*
+  )
+)
+
+EXIT /B %ERRORLEVEL%