Open instance in-game

Dotnet/AppApi/Common/AppApiCommon.cs

@@ -5,6 +5,7 @@ using System.Globalization;
 using System.IO;
 using System.Security.Cryptography;
 using System.Text;
+using System.Threading.Tasks;
 using librsync.net;
 using Newtonsoft.Json;
 using NLog;
@@ -165,5 +166,10 @@ namespace VRCX
 
             return null;
         }
+
+        public Task<bool> TryOpenInstanceInVrc(string launchUrl)
+        {
+            return VRCIPC.Send(launchUrl);
+        }
     }
 }