增加自动化编译打包脚本

build.bat

@@ -0,0 +1,30 @@
+@echo off
+chcp 65001 >nul
+cd /d "%~dp0"
+setlocal EnableDelayedExpansion
+
+REM JieLi make / mkdir_win / rm / fixbat live in tools\utils, not in system PATH
+set "PATH=%~dp0tools\utils;%PATH%"
+
+REM USB burn: default WITH key.  build.bat nokey to burn without key
+set "JL_BURN_KEY=1"
+set "MAKE_ARGS="
+
+for %%A in (%*) do (
+    if /i "%%~A"=="key" (
+        set "JL_BURN_KEY=1"
+    ) else if /i "%%~A"=="nokey" (
+        set "JL_BURN_KEY=0"
+    ) else (
+        set "MAKE_ARGS=!MAKE_ARGS! %%~A"
+    )
+)
+
+if "!JL_BURN_KEY!"=="1" (
+    echo [build] USB burn: WITH key
+) else (
+    echo [build] USB burn: NO key
+)
+
+make !MAKE_ARGS!
+exit /b !errorlevel!