图库: 包名定为 os.meow.picbrowser（用户指定系统前缀）——app.json package/exec、build/pack 产物名与 README/.gitignore 同步；交叉构建+打包复验通过

tuku/app.json

@@ -1,3 +1,3 @@
-{"name":"图库","exec":"/usr/data/mnt/sd_0/MeowAPPs/dev.tuku.app/tuku",
- "package":"dev.tuku.app","version":"0.1","version_code":1,"framework":1,
+{"name":"图库","exec":"/usr/data/mnt/sd_0/MeowAPPs/os.meow.picbrowser/picbrowser",
+ "package":"os.meow.picbrowser","version":"0.1","version_code":1,"framework":1,
  "fonts":"common","route.reader.fullscreen":1}