Initialisation

Added the packages and files for the backend server

node_modules/node-abort-controller/browser.js

@@ -0,0 +1,22 @@
+'use strict'
+
+const _global =
+  typeof self !== 'undefined'
+    ? self
+    : typeof window !== 'undefined'
+    ? window
+    : /* otherwise */ undefined
+
+if (!_global) {
+  throw new Error(
+    `Unable to find global scope. Are you sure this is running in the browser?`
+  )
+}
+
+if (!_global.AbortController) {
+  throw new Error(
+    `Could not find "AbortController" in the global scope. You need to polyfill it first`
+  )
+}
+
+module.exports.AbortController = _global.AbortController