Add config file controller to support get config as plain properties file

release history & 多处优化

upgrade version to 0.0.5

Bugfix update item cant lock namespace

private app namespace dont need prefix

Bugfix

add ApolloDataSourceProvider

bugfix when create app namespace jump to permission page

filter out properties comment for config file

bugfix

bugfix

bugfix appnamespace format null

bugfix when add item value is null