You can import a data source in the data source panel.
In the data sources panel, click the import data sources icon.
Browse to the location of the dsconfig file you wish to import. The file is
uploaded to your server via HTTP, and added to the datasource list in the data
sources panel. The configuration for the datasource is also added to the
datasources.js file in the
<AppBuilder_Home>\ares-project\hermes\filesystem\root\guest\<Project_Name>\src
directory.