feat: implement episode actions add endpoint

bruno/Episode Actions API/Upload action changes.bru

@@ -6,10 +6,30 @@ meta {
 
 post {
   url: http://localhost:8080/api/2/episodes/:username
-  body: none
-  auth: none
+  body: json
+  auth: inherit
 }
 
 params:path {
-  username: 
+  username: test.json
+}
+
+body:json {
+  [
+    {
+     "podcast": "http://example.com/feed.rss",
+     "episode": "http://example.com/files/s01e20.mp3",
+     "device": "test_device",
+     "action": "download",
+     "timestamp": "2009-12-12T09:00:00"
+    },
+    {
+     "podcast": "http://example.org/podcast.php",
+     "episode": "http://ftp.example.org/foo.ogg",
+     "action": "play",
+     "started": 15,
+     "position": 120,
+     "total":  500
+    }
+  ]
 }