rtmp-services: Add Linkstream

Closes obsproject/obs-studio#1529

plugins/rtmp-services/data/package.json

 {
 	"url": "https://obsproject.com/obs2_update/rtmp-services",
-	"version": 92,
+	"version": 93,
 	"files": [
 		{
 			"name": "services.json",
-			"version": 92
+			"version": 93
 		}
 	]
 }

plugins/rtmp-services/data/services.json

@@ -1281,6 +1281,15 @@
                 "max video bitrate": 6000,
                 "max audio bitrate": 160
             }
+        },
+        {
+            "name": "Linkstream.live",
+            "servers": [
+                {
+                    "name": "Linkstream Live Ingest Point",
+                    "url": "rtmp://hadamard.streaming.linkstream.live:80/live"
+                }
+            ]
         }
     ]
 }