:sparkles: add caption and description to api

.drone.yml

     status:
         # Only runs if the first pipeline was fully successful
         - success
+        # Only runs on the master branch
     branch:
         - master
 

plugins/cia-endpoints/includes/reformat-blocks.php

             // Format for lightbox wants an object
             $parse_images[$id] = [
                 'src' => $image->getAttribute('src'),
-                'title' => $image->getAttribute('alt'),
+                'alt' => $image->getAttribute('alt'),
+                'title' => wp_get_attachment_caption($id),
+                'description' => get_the_excerpt($id)
             ];
         }
         return $parse_images;