Feat: es modules (#139)

* All file imports change from commonjs to es-module

* Improved plex error responses back from api

* Converted viewHistory to es module

* Es-module requires file extension, updated all imports

* Fix esmodule not having __dirname defined in scope

* Replace dynamic-require with fs readFileSync

* Short message service module function is exported as default

* Resolved lint issues & ignore import/extension rule until typescript

* All tests file imports changed from commonjs to es-module

* Import json fixtures with new helper

src/webserver/controllers/list/listController.js

@@ -1,6 +1,7 @@
-const configuration = require("../../../config/configuration").getInstance();
-const TMDB = require("../../../tmdb/tmdb");
+import TMDB from "../../../tmdb/tmdb.js";
+import Configuration from "../../../config/configuration.js";
 
+const configuration = Configuration.getInstance();
 const tmdb = new TMDB(configuration.get("tmdb", "apiKey"));
 
 // there should be a translate function from query params to
@@ -65,7 +66,7 @@ const popularShows = (req, res) =>
 const topRatedShows = (req, res) =>
   fetchTmdbList(req, res, "miscTopRatedTvs", "show");
 
-module.exports = {
+export default {
   nowPlayingMovies,
   popularMovies,
   topRatedMovies,