Let's make it all pretty, shall we?

We missed a couple directories with previous attempts to turn this on
globally: app/ and libtextsecure/

Not to mention files in places we didn't expect: ts files that weren't
in the ts directory!

This turns prettier on for every file we care about (js, ts, tsx, md)
everywhere in the project but for a few key parts.

app/config.js

@@ -39,7 +39,7 @@ config.environment = environment;
   'HOSTNAME',
   'NODE_APP_INSTANCE',
   'SUPPRESS_NO_CONFIG_WARNING',
-].forEach((s) => {
+].forEach(s => {
   console.log(`${s} ${config.util.getEnv(s)}`);
 });