Allow self certificate accepts

main.js

@@ -79,6 +79,19 @@ app.on('ready', async () => {
 
   createWindow();
 
+  
+  app.on('certificate-error', (event, webContents, url, error, cert, callback) => {
+    // Verify the URL to ensure you only allow your intended self-signed certificate
+    if (url.startsWith('https://your-self-signed-domain.com')) {
+      // Prevent the default behavior (which is to reject the cert)
+      event.preventDefault(); 
+      // Accept the certificate
+      callback(true); 
+    } else {
+      // For all other URLs, let Chromium handle the error normally
+      callback(false);
+    }
+  });
 
   // Quit app when all windows are closed, except on macOS (common pattern)
   app.on('window-all-closed', () => {