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

This reverts commit c92f4a5edd.

frontend/node_modules/@svgdotjs/svg.js/.config/karma.conf.common.cjs

@@ -0,0 +1,67 @@
+// Karma shared configuration
+
+const os = require('os')
+const cpuCount = os.cpus().length
+
+module.exports = function (config) {
+  return {
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '../',
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['jasmine'],
+
+    // list of files / patterns to load in the browser
+    files: [
+      '.config/pretest.js',
+      'spec/RAFPlugin.js',
+      {
+        pattern: 'spec/fixtures/fixture.css',
+        included: false,
+        served: true
+      },
+      {
+        pattern: 'spec/fixtures/fixture.svg',
+        included: false,
+        served: true
+      },
+      {
+        pattern: 'spec/fixtures/pixel.png',
+        included: false,
+        served: true
+      },
+      'dist/svg.js',
+      'spec/spec/*.js'
+    ],
+
+    proxies: {
+      '/fixtures/': '/base/spec/fixtures/',
+      '/spec/': '/base/spec/'
+    },
+
+    // web server port
+    port: 9876,
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: false,
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true,
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: cpuCount || Infinity,
+
+    // list of files to exclude
+    exclude: []
+  }
+}