message: feat(tracing): cleanup & .env-example addtions
diff: @@ -6,7 +6,7 @@ module.exports = function ( app ) {
  Sentry.setUser( { id: machineIdSync( ) } )
  Sentry.init( {
  - dsn: 'https://84171d4d992f43a5bc867a6694934b01@o436188.ingest.sentry.io/5416515',
  + dsn: process.env.SENTRY_DSN || 'https://84171d4d992f43a5bc867a6694934b01@o436188.ingest.sentry.io/5416515',
  integrations: [
  new Sentry.Integrations.Http( { tracing: true } ),
  new Tracing.Integrations.Express( { app } )
  