add OnceServer/OnceClient to Serverside

Author: Doxoh

api/AltV.Net.Shared/FunctionParser/FunctionCall.cs

@@ -0,0 +1,8 @@
+namespace AltV.Net;
+
+public class FunctionCall
+{
+    public Function Function { get; set; }
+    public bool IsOnce { get; set; }
+    public bool IsCalled { get; set; }
+}