Add yet-another-react-lightbox package and update .gitignore to exclude node_modules

frontend/node_modules/eslint/lib/shared/stats.js

@@ -1,30 +0,0 @@
-/**
- * @fileoverview Provides helper functions to start/stop the time measurements
- * that are provided by the ESLint 'stats' option.
- * @author Mara Kiefer <http://github.com/mnkiefer>
- */
-"use strict";
-
-/**
- * Start time measurement
- * @returns {[number, number]} t variable for tracking time
- */
-function startTime() {
-    return process.hrtime();
-}
-
-/**
- * End time measurement
- * @param {[number, number]} t Variable for tracking time
- * @returns {number} The measured time in milliseconds
- */
-function endTime(t) {
-    const time = process.hrtime(t);
-
-    return time[0] * 1e3 + time[1] / 1e6;
-}
-
-module.exports = {
-    startTime,
-    endTime
-};