Swapped the ListView for a DataGrid to display certificate properties. The DataGrid is set to read-only, disables row headers, and uses explicit columns for improved presentation and usability.
Introduces QuickLook.Plugin.CertViewer for viewing certificate files (.pfx, .cer, .pem, etc.) in QuickLook. The plugin loads and displays certificate details or raw content, and is integrated into the solution and project files.