fix: fixes access modifiers on interface

.gitignore

@@ -390,3 +390,4 @@ MigrationBackup/
 FodyWeavers.xsd
 essentials-framework/Essentials Interfaces/PepperDash_Essentials_Interfaces/PepperDash_Essentials_Interfaces.csproj
 .DS_Store
+._.DS_Store

essentials-framework/Essentials Core/PepperDashEssentialsBase/DeviceTypeInterfaces/IMobileControl.cs

@@ -1,5 +1,6 @@
 using System;
-using PepperDash.Core;
+using PepperDash.Core;
+using Newtonsoft.Json;
 
 namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
 {
@@ -11,14 +12,33 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
         void CreateMobileControlRoomBridge(IEssentialsRoom room, IMobileControl parent);
 
         void LinkSystemMonitorToAppServer();
-    }
-
-    /// <summary>
-    /// Describes a MobileSystemController that accepts IEssentialsRoom
-    /// </summary>
-    public interface IMobileControl3 : IMobileControl
-    {
-        void CreateMobileControlRoomBridge(IEssentialsRoom room, IMobileControl parent);
+    }
+
+    /// <summary>
+    /// Describes a MobileSystemController that accepts IEssentialsRoom
+    /// </summary>
+    public interface IMobileControl3 : IMobileControl
+    {
+        void CreateMobileControlRoomBridge(IEssentialsRoom room, IMobileControl parent);
+
+        void SendMessageObject(object o);
+
+        void AddAction(string key, object action);
+
+        void RemoveAction(string key);
+    }
+
+    public interface IMobileControlResponseMessage
+    {
+        [JsonProperty("type")]
+        string Type { get; }
+
+        [JsonProperty("clientId")]
+        object ClientId { get; }
+
+        [JsonProperty("content")]
+        object Content { get; }
+
     }
 
     /// <summary>