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

desktop/flipper-plugin/src/__tests__/api.node.tsx

@@ -28,6 +28,7 @@ test('Correct top level API exposed', () => {
   // Note, all `exposedAPIs` should be documented in `flipper-plugin.mdx`
   expect(exposedAPIs.sort()).toMatchInlineSnapshot(`
     Array [
+      "DataFormatter",
       "DataSource",
       "DataTable",
       "Layout",