Moving to node_modules folder to make easier to upgrade

trying to move from Bootstrap 3 to Bootstrap 5

node_modules/mux.js/scripts/karma.conf.js

@@ -0,0 +1,25 @@
+const generate = require('videojs-generate-karma-config');
+
+module.exports = function(config) {
+
+  // see https://github.com/videojs/videojs-generate-karma-config
+  // for options
+  const options = {
+    coverage: false,
+    browsers(aboutToRun) {
+      return aboutToRun.filter(function(launcherName) {
+        return !(/^Safari/).test(launcherName);
+      });
+    },
+    browserstackLaunchers(defaults) {
+      delete defaults.bsSafariMojave;
+      delete defaults.bsSafariElCapitan;
+
+      return defaults;
+    }
+  };
+
+  config = generate(config, options);
+
+  // any other custom stuff not supported by options here!
+};