Add an elfeed-db-update-hook for following updates.
Add an elfeed-db-update-hook for following updates.

algernon/elfeed,emacsmirror/elfeed,skeeto/elfeed,seblemaguer/elfeed,jinnovation/elfeed,skeeto/elfeed,daimrod/elfeed,emacsmirror/elfeed,jinnovation/elfeed,algernon/elfeed,holomorph/elfeed,daimrod/elfeed,abo-abo/elfeed,holomorph/elfeed,seblemaguer/elfeed