基于美团walle的Flutter版多渠道打包桌面工具
为适配Android11需要升级使用Android Signature V2 Scheme签名，同时需要打多个渠道包，为方便团队成员生成多渠道包，制作了基于美团walle java命令行打包的桌面工具，该桌面工具使用Flutter编写PC端。
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