Choose and use mailing template

Plus care mailing template

Signed-off-by: Jesús Antonio García Valadez <zerovamp@hotmail.com>
images and migration of scss files to sass files

Signed-off-by: Jesús Antonio García Valadez <zerovamp@hotmail.com>
deleting sass cache files from versioning

Signed-off-by: Jesús Antonio García Valadez <zerovamp@hotmail.com>
Ignoring some versioning files

Signed-off-by: Jesús Antonio García Valadez <zerovamp@hotmail.com>