RSS Feed: Add missing link, image link attributes

Resolves #12
4 jobs for master in 1 minute and 52 seconds
Status Job ID Name Coverage
  Test
passed #170435445
php:7.1

00:00:59

passed #170435447
php:7.2

00:00:53

passed #170435449
php:7.3

00:00:49

 
  Deploy
passed #170435450
allowed to fail manual
deploy:prod

00:00:53