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.

templates/jinja2/emails/register.html

@@ -0,0 +1,21 @@
+<table width="100%" border="0" cellspacing="0" cellpadding="0">
+    <tr>
+        <td align="center" style="padding: 20px;">
+            <table width="600" border="0" cellspacing="0" cellpadding="0" style="border: 1px solid #eeeeee; background-color: #ffffff;">
+                <tr>
+                    <td align="center" style="background-color: #007bff; padding: 40px;">
+                        <h1 style="color: #ffffff; font-family: sans-serif; margin: 0;">¡Hola {{ name }}!</h1>
+                    </td>
+                </tr>
+                <tr>
+                    <td style="padding: 30px; font-family: sans-serif; line-height: 1.5; color: #444444;">
+                        <p>Has iniciado sesion en <strong>Comercialmeria</strong></p>
+                        <p>Si has sido tu, ignore este correo. Si no, <strong>Cambie la contraseña de inmediato</strong>, ¡Alguien se ha colado!</p>
+                        <p></p>
+                        <p>Este email ha sido enviado automaticamente, no responda a este correo.</p>
+                    </td>
+                </tr>
+            </table>
+        </td>
+    </tr>
+</table>