Added TeamsLocalAPI Project

TeamsLocalAPI/EventArgs/ConnectionStateChangedEventArgs.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.WebSockets;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace TeamsLocalLibary.EventArgs
+{
+    public class ConnectionStateChangedEventArgs : System.EventArgs
+    {
+        public WebSocketState WebSocketState { get; }
+
+        public ConnectionStateChangedEventArgs(WebSocketState webSocketState)
+        {
+            WebSocketState = webSocketState;
+        }
+    }
+
+}

TeamsLocalAPI/EventArgs/ErrorReceivedEventArgs.cs

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+namespace TeamsLocalLibary.EventArgs;
+
+public class ErrorReceivedEventArgs(string errorMessage) : System.EventArgs
+{
+    public string ErrorMessage { get; } = errorMessage;
+}

TeamsLocalAPI/EventArgs/SuccessReceivedEventArgs.cs

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+namespace TeamsLocalLibary.EventArgs;
+
+public class SuccessReceivedEventArgs(int requestId) : System.EventArgs
+{
+    public int RequestId { get; } = requestId;
+}

TeamsLocalAPI/EventArgs/TokenReceivedEventArgs.cs

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+namespace TeamsLocalLibary.EventArgs;
+
+public class TokenReceivedEventArgs(string token) : System.EventArgs
+{
+    public string Token { get; } = token;
+}