updated install script

scripts/windows/install.bat

@@ -4,4 +4,13 @@
 cd %~f0\..\..\..\
 
 @REM run
-npm install
+npm install
+
+@REM discord token
+if not exist "token" copy NUL "token"
+
+for /f %%i in ("token") do set size=%%~zi
+if %size% equ 0 (
+    set /p token="Enter your discord bot token: "
+    echo | set /p=%id% > "token"
+)