Moving to node_modules folder to make easier to upgrade

trying to move from Bootstrap 3 to Bootstrap 5

node_modules/mux.js/test/base64-to-uint8-array.js

@@ -0,0 +1,17 @@
+var window = require('global/window');
+// TODO: use vhs-utils here
+
+var atob = (s) => window.atob ? window.atob(s) : Buffer.from(s, 'base64').toString('binary');
+
+var base64ToUint8Array = function(base64) {
+  var decoded = atob(base64);
+  var uint8Array = new Uint8Array(new ArrayBuffer(decoded.length));
+
+  for (var i = 0; i < decoded.length; i++) {
+    uint8Array[i] = decoded.charCodeAt(i);
+  }
+
+  return uint8Array;
+};
+
+module.exports = base64ToUint8Array;