feat(autoupdate): detect install type

CarManagerV3/Forms/SettingsForm.cs

@@ -7,6 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using CarManagerV3.Util;
 
 namespace CarManagerV3.Forms
 {
@@ -42,6 +43,8 @@ namespace CarManagerV3.Forms
                     read: () => Properties.Settings.Default.AllowPrerelease,
                     write: v => Properties.Settings.Default.AllowPrerelease = v);
 
+            lblEnv.Text = lblEnv.Text.Replace("%E%", InstallModeDetector.IsInstalledViaMsi() ? "Installed via MSI" : "Running in portable mode");
+
         }
 
         private void SettingsForm_Load(object sender, EventArgs e)