Flesh out some elfeed-web docs.
Flesh out some elfeed-web docs.

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