feat: remove unused images and update email functionality

- Deleted multiple unused image files from the static media directory.
- Enhanced email sending functionality by adding a new method `send_hemail` for sending HTML emails.
- Updated the `enviar_correo_bienvenida` task to use the new HTML email method.
- Added a new RGPD (General Data Protection Regulation) privacy policy page template.
- Updated URL routing to include the new RGPD page.
- Added a view function for rendering the RGPD page.

tienda/views.py

@@ -1253,4 +1253,7 @@ def reset_password(request: HttpRequest):
         return redirect("index")
     
         
-    return render(request, "tienda/reset_password", {})
+    return render(request, "tienda/reset_password", {})
+
+def rgpd(request: HttpRequest):
+    return render(request, "tienda/rgpd.html", {})