Merge pull request #8 from ccoeurderoy/feat/logger_options

feat(logger): add the ability to override pino options

README.md

@@ -78,6 +78,7 @@ The only static method from the `PubSubFactory` class. It initiates a new PubSub
 - `options`: Options related to the transport.
   - If `transport === Transport.GOOGLE_PUBSUB`, then have a look at the [Google Cloud PubSub config client](https://googleapis.dev/nodejs/pubsub/latest/global.html#ClientConfig).
   - `debug`: Display logs if it is set to true. It uses a [pino logger](https://getpino.io/#/) and [pino-pretty](https://github.com/pinojs/pino-pretty) if `NODE_ENV` is not equal to `production`.
+  - `pinoOptions`: If `debug` is set to true, set the [pino logger options](https://getpino.io/#/docs/api?id=options). Default to `level: debug` and `prettyPrint: true` if `NODE_ENV` is not equal to `production`.
   - `topicsPrefix`: Add a prefix to all created topics. Example: `topicsPrefix: 'my-topic'`, all topics will begin with `my-topic+{your topic name}`.
   - `subscriptionsPrefix`: Add a prefix to all created subscriptions. Example: `subscriptionsPrefix: 'my-sub'`, all topics will begin with `my-sub%{your topic name}`.
   - `namespace`: Add a namespace property to [Message attributes](https://googleapis.dev/nodejs/pubsub/latest/google.pubsub.v1.html#.PubsubMessage) when publishing on a topic.