Merge pull request #53 from internet4000/feat/add-url-docs-api

add more documentation urls for better exploration

Author: oskarrough

src/app.js

@@ -19,7 +19,11 @@ app.get('/', function (req, res) {
 	res.json({
 		message: 'Welcome to the Radio4000 api',
 		documentationUrl: 'https://github.com/internet4000/radio4000-api',
-		databaseUrl: config.databaseURL
+		databaseUrl: config.databaseURL,
+		channelsUrl: `${config.databaseURL}channels.json`,
+		channelUrl: `${config.databaseURL}channels/{id}.json`,
+		tracksUrl: `${config.databaseURL}tracks.json`,
+		TrackUrl: `${config.databaseURL}tracks/{id}.json`
 	})
 })
 app.use('/billings', billings)