Add MrTrust GUI and Gitea release build

src/MrTrustLauncher.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Windows.Forms;
+
+namespace MrTrust
+{
+    internal static class MrTrustLauncher
+    {
+        [STAThread]
+        private static int Main()
+        {
+            string baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
+            string scriptPath = Path.Combine(baseDirectory, "MrTrust.ps1");
+
+            if (!File.Exists(scriptPath))
+            {
+                MessageBox.Show(
+                    "MrTrust.ps1 was not found next to MrTrust.exe.",
+                    "MrTrust",
+                    MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+                return 1;
+            }
+
+            try
+            {
+                ProcessStartInfo startInfo = new ProcessStartInfo
+                {
+                    FileName = "powershell.exe",
+                    Arguments = "-NoProfile -ExecutionPolicy Bypass -File \"" + scriptPath + "\" gui",
+                    UseShellExecute = false,
+                    CreateNoWindow = true,
+                    WorkingDirectory = baseDirectory
+                };
+
+                using (Process process = Process.Start(startInfo))
+                {
+                    if (process == null)
+                    {
+                        throw new InvalidOperationException("PowerShell could not be started.");
+                    }
+                }
+
+                return 0;
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(
+                    ex.Message,
+                    "MrTrust",
+                    MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+                return 1;
+            }
+        }
+    }
+}