Support linkify-ing urls

Summary:
Changelog: The new logs plugin will linkify urls and pretty print json-like messages

This implements one of our top papercuts (see linked task), and the WP request over here: https://fb.workplace.com/groups/flipperfyi/permalink/902949260471370/. Partially addresses

https://github.com/facebook/flipper/issues/1162
https://github.com/facebook/flipper/issues/1010
https://github.com/facebook/flipper/issues/2029

Reviewed By: nikoant

Differential Revision: D26947007

fbshipit-source-id: be0fdb476765905ae6b63bd8799c9c6093014de3

react-native/ReactNativeFlipperExample/App.js

@@ -104,9 +104,7 @@ const App: () => React$Node = () => {
                   fetch(API, {headers: {accept: 'application/json'}})
                     .then((res) => res.json())
                     .then((data) => {
-                      console.log(
-                        'Got status: ' + JSON.stringify(data, null, 2),
-                      );
+                      console.log(data.status);
                       setNpmStatus(data.status.description);
                     })
                     .catch((e) => {