Add MrTrust GUI and Gitea release build

MrTrust.ps1

@@ -0,0 +1,52 @@
+param(
+    [Parameter(Position = 0)]
+    [ValidateSet("gui", "install", "uninstall", "new-cert", "sign", "help")]
+    [string]$Command = "help",
+    [Parameter(ValueFromRemainingArguments = $true)]
+    [string[]]$RemainingArguments
+)
+
+$ErrorActionPreference = "Stop"
+
+$root = Split-Path -Parent $MyInvocation.MyCommand.Path
+
+function Invoke-MrTrustScript {
+    param([Parameter(Mandatory)][string]$ScriptPath)
+
+    & powershell.exe -NoProfile -ExecutionPolicy Bypass -File $ScriptPath @RemainingArguments
+    if ($LASTEXITCODE -ne 0) {
+        exit $LASTEXITCODE
+    }
+}
+
+switch ($Command) {
+    "gui" {
+        Invoke-MrTrustScript -ScriptPath (Join-Path $root "scripts\Start-MrTrustGui.ps1")
+    }
+    "install" {
+        Invoke-MrTrustScript -ScriptPath (Join-Path $root "scripts\Install-MrTrust.ps1")
+    }
+    "uninstall" {
+        Invoke-MrTrustScript -ScriptPath (Join-Path $root "scripts\Uninstall-MrTrust.ps1")
+    }
+    "new-cert" {
+        Invoke-MrTrustScript -ScriptPath (Join-Path $root "scripts\New-MrTrustCertificate.ps1")
+    }
+    "sign" {
+        Invoke-MrTrustScript -ScriptPath (Join-Path $root "scripts\Sign-MrTrustProject.ps1")
+    }
+    default {
+        Write-Host "MrTrust commands:"
+        Write-Host "  .\MrTrust.ps1 gui          Open the MrTrust Windows interface"
+        Write-Host "  .\MrTrust.ps1 install      Install MrSphay public trust certificates"
+        Write-Host "  .\MrTrust.ps1 uninstall    Remove MrSphay public trust certificates"
+        Write-Host "  .\MrTrust.ps1 new-cert     Create MrSphay root and signing certificates"
+        Write-Host "  .\MrTrust.ps1 sign         Sign build artifacts"
+        Write-Host ""
+        Write-Host "Examples:"
+        Write-Host "  .\MrTrust.ps1 gui"
+        Write-Host "  .\MrTrust.ps1 install"
+        Write-Host "  .\MrTrust.ps1 install -Scope LocalMachine"
+        Write-Host "  .\MrTrust.ps1 sign -Path .\dist\MyApp.exe -PfxPath .\private\MrSphay-CodeSigning.pfx"
+    }
+}