Fresh start - excluded large ROM JSON files

scripts/install-mailspring.ps1

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+# PowerShell script to download and install Mailspring
+# Run as Administrator
+
+$downloadUrl = "https://github.com/Foundry376/Mailspring/releases/download/1.17.3/MailspringSetup.exe"
+$installerPath = "$env:TEMP\MailspringSetup.exe"
+
+Write-Host "[INFO] Downloading Mailspring..."
+Write-Host "[INFO] This may take a few minutes (approx 200MB)..."
+
+try {
+    # Download the installer
+    Invoke-WebRequest -Uri $downloadUrl -OutFile $installerPath -UseBasicParsing
+    Write-Host "[OK] Download complete: $installerPath"
+    
+    # Run the installer silently
+    Write-Host "[INFO] Installing Mailspring..."
+    Start-Process -FilePath $installerPath -ArgumentList "/S" -Wait
+    
+    Write-Host "[OK] Mailspring installed successfully!"
+    Write-Host "[INFO] You can find Mailspring in your Start Menu"
+    
+    # Cleanup
+    Remove-Item $installerPath -Force
+    Write-Host "[INFO] Cleanup complete"
+    
+} catch {
+    Write-Host "[ERROR] Installation failed: $_"
+    exit 1
+}