Routes request to correct function in plexRepo and if error, returns correct error.

src/webserver/controllers/plex/plexPlaying.js

@@ -0,0 +1,14 @@
+const PlexRepository = require('src/plex/plexRepository');
+const plexRepository = new PlexRepository();
+
+function playingController(req, res) {
+	plexRepository.nowPlaying()
+	.then((movies) => {
+		res.send(movies);
+	})
+	.catch((error) => {
+		res.status(500).send({success: false, error: error.message });
+	})
+}
+
+module.exports = playingController;