add start.bat

start.bat

@@ -0,0 +1,10 @@
+@echo off
+
+where java >nul 2>nul
+if %errorlevel%==1 (
+    @echo Java not found in path.
+) else (
+    java -jar %~dp0anti-afk-1.0-SNAPSHOT.jar %*
+)
+
+pause