Added more logging info.

Module-Debugging.md

@@ -70,6 +70,8 @@ Log.log('log');     # To log to stdout
 Log.error('error');  # To log to stderr
 ``` 
 
+By default, these log entries will go to the "browser" web console which can be accessed from the DevTools. To start MagicMirror with DevTools open, run `npm start dev` from the MagicMirror folder. If you wish to send these browser logs to the normal console (or PM2 Log Files), add `export ELECTRON_ENABLE_LOGGING=true` to the top of `~/MagicMirror/run-start.sh` and restart.
+
 ##### Logging From *node-helper.js*
 These are not available (AFAIK) if you are using a *node_helper.js*, so you'll have to use the standard JS loggers there. As mentioned, there are quite a [few variations](https://console.spec.whatwg.org/#namespacedef-console) of these (and they result in varying success rates) depending on where you want the message to appear. 
 
@@ -85,6 +87,8 @@ console.error(any... data)
 console.dir(any item, optional object? options)
 ```
 
+You may also want to take a look at the [MMM-Logging](https://github.com/shbatm/MMM-Logging) 3rd-party module, which will add timestamps and additional formatting to your `console.error()`, or `console.log()` calls.
+
 #### Reviewing logs written to disk ####
 Check your PM2 logs with `pm2 logs mm` or check the log files in their locations:
   - `/home/pi/.pm2/pm2.log`