add cityhall menu, add self interaction menu (Arrow Down), fix freecam, add group creation, move (faction) invite from commands to menu

ReallifeGamemode.Server/Commands/GroupCommands.cs

@@ -0,0 +1,31 @@
+using GTANetworkAPI;
+using ReallifeGamemode.Server.Extensions;
+using ReallifeGamemode.Server.Services;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace ReallifeGamemode.Server.Commands
+{
+    class GroupCommands : Script
+    {
+        #region Chat Commands
+        [Command("g", "~m~Benutzung: ~s~/g [Nachricht]", GreedyArg = true)]
+        public void CmdGroupG(Client player, string message)
+        {
+            Entities.Group group = player.GetUser().Group;
+            if (group == null)
+            {
+                ChatService.NotAuthorized(player);
+                return;
+            }
+
+            message = Regex.Replace(message, "(~[a-zA-Z]~{1})|(!{(.*)})", "");
+            message = $"{player.Name}: {message}";
+
+            ChatService.BroadcastGroup(message, group);
+        }
+        #endregion
+    }
+}