add .gitattributes and fix prettier/js warnings (#3094)

see title, as discussed in
https://github.com/MichMich/MagicMirror/pull/3093

modules/default/newsfeed/newsfeed.js

@@ -179,7 +179,6 @@ Module.register("newsfeed", {
 
 	/**
 	 * Generate an ordered list of items for this configured module.
-	 *
 	 * @param {object} feeds An object with feeds returned by the node helper.
 	 */
 	generateFeed: function (feeds) {
@@ -272,7 +271,6 @@ Module.register("newsfeed", {
 
 	/**
 	 * Check if this module is configured to show this feed.
-	 *
 	 * @param {string} feedUrl Url of the feed to check.
 	 * @returns {boolean} True if it is subscribed, false otherwise
 	 */
@@ -287,7 +285,6 @@ Module.register("newsfeed", {
 
 	/**
 	 * Returns title for the specific feed url.
-	 *
 	 * @param {string} feedUrl Url of the feed
 	 * @returns {string} The title of the feed
 	 */

modules/default/newsfeed/newsfeedfetcher.js

@@ -14,7 +14,6 @@ const NodeHelper = require("node_helper");
 
 /**
  * Responsible for requesting an update on the set interval and broadcasting the data.
- *
  * @param {string} url URL of the news feed.
  * @param {number} reloadInterval Reload interval in milliseconds.
  * @param {string} encoding Encoding of the feed.
@@ -137,7 +136,6 @@ const NewsfeedFetcher = function (url, reloadInterval, encoding, logFeedWarnings
 
 	/**
 	 * Update the reload interval, but only if we need to increase the speed.
-	 *
 	 * @param {number} interval Interval for the update in milliseconds.
 	 */
 	this.setReloadInterval = function (interval) {

modules/default/newsfeed/node_helper.js

@@ -26,7 +26,6 @@ module.exports = NodeHelper.create({
 	/**
 	 * Creates a fetcher for a new feed if it doesn't exist yet.
 	 * Otherwise it reuses the existing one.
-	 *
 	 * @param {object} feed The feed object
 	 * @param {object} config The configuration object
 	 */