Create Custom Select Widget fully integrated inside ESRI's ArcGIS Web Appbuilder (using Dashboard Theme)

[login to view URL] [login to view URL] Keeping in line with ESRI's Web Appbuilder frame work developer will develop a custom select widget similar to the existing select widget in link above, except that it allows user to select map layers using feature layers service such as [login to view URL] to select against map data. All functionality should remain except for the design change and the selection. Please be familiar with ESRI's Web Appbuilder and submit examples of ESRI web appbuilder widgets created in previous experience when bidding on this project.