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.

proyecto/jinja2.py

@@ -0,0 +1,11 @@
+from jinja2 import Environment
+from django.urls import reverse
+from django.templatetags.static import static
+
+def environment(**options):
+    env = Environment(**options)
+    env.globals.update({
+        'static': static,
+        'url': reverse,
+    })
+    return env