Add new PowerShell project

Source/MQTTnet.PowerShell/Cmdlets/ConnectMqttSessionCmdlet.cs

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+using System.Management.Automation;
+
+namespace MQTTnet.PowerShell.Cmdlets;
+
+[Cmdlet(VerbsCommunications.Connect, "MqttSession")]
+[OutputType(typeof(MqttClientConnectResult))]
+public class ConnectMqttSessionCmdlet : PSCmdlet
+{
+    [Parameter]
+    public SwitchParameter CleanSession { get; set; } = true;
+
+    [Parameter]
+    public string? ClientId { get; set; } = Guid.NewGuid().ToString();
+
+    [Parameter(Mandatory = true)]
+    public required new string Host { get; set; }
+
+    [Parameter]
+    public string? Password { get; set; }
+
+    [Parameter]
+    public int Port { get; set; } = 1883;
+
+    [Parameter(Mandatory = true, ValueFromPipeline = true)]
+    public required MqttSession Session { get; set; }
+
+    [Parameter]
+    public string? Username { get; set; }
+
+    [Parameter]
+    public SwitchParameter UseTls { get; set; }
+
+    protected override void ProcessRecord()
+    {
+        var clientOptionsBuilder = new MqttClientOptionsBuilder();
+        clientOptionsBuilder.WithTcpServer(Host, Port);
+
+        if (Username != null)
+        {
+            clientOptionsBuilder.WithCredentials(Username, Password);
+        }
+
+        var response = Session.Client.ConnectAsync(clientOptionsBuilder.Build()).GetAwaiter().GetResult();
+
+        WriteObject(response);
+    }
+}