Provided a configuration API endpoint for plugin functionality. This allows users to describe the configuration struct of their plugins using AVRO schema. During plugin runtime, the plugin's configuration can be accessed via the API.
Added new API endpoints:
/plugins/:name/schema
To get plugins avro schema and i18n config in one json object./plugins/:name/config
To get or update plugin's own configChanged API endpoints:
/plugins/install
Status code when succeeded change to 204. It was 200 previously./plugins/:name/move
Status code when succeeded change to 204. It was 200 previously.