Update doublecommander.json (#212)

double commander listens to 3000 and 3001 in the container

template/apps/doublecommander.json

@@ -31,8 +31,8 @@
 	"name": "doublecommander",
         "platform": "linux",
 	"ports": [
-		"11500:11500/tcp",
-		"11502:11502/tcp"
+		"11500:3000/tcp",
+		"11502:3001/tcp"
 	],
 	"restart": "unless-stopped",
         "title": "doublecommander",