services: add facebook support (#403)

* feat: add facebook support

* chore: fix fail check

* chore: minor fix

* chore: add service in README.md

* chore: cleaning post-merge code

* facebook: add shared link pattern

* chore: clean up removing unnecessarily code

* fix: facebook shared link pattern

* matchActionDecider: redirect to facebook video instead of rendering

* facebook: pass sourceUrl in object

* url: fix botched lint

* fix: facebook shared link pattern with clean up

* test: change facebook test response to redirect

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Co-authored-by: dumbmoron <log@riseup.net>

src/modules/processing/matchActionDecider.js

@@ -130,6 +130,7 @@ export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, di
                     params = { type: "bridge" };
                     break;
 
+                case "facebook":
                 case "vine":
                 case "instagram":
                 case "tumblr":