Photoshop plugin for exporting assets

An export plugin for Photoshop need to be developed with the following features: 1) Mark layers/or groups of Artboard that need to be exported (select layer, then in plugin select the export type - PNG/JPG/GIF/don't export + retina switcher) 2) Export all artboard assets + Json config (that will contain x, y, width, height of each exported element + font size/color/family/line spacing/... for text layers) 3) Export multiple artboards at once 4) Auto sync (export assets automatically when element is changed in Photoshop) The plugin should be installable via Adobe plugin marketplace [login to view URL] skill: photoshop sdk.