npm: Use jquery via npm instead of CDN

assets/js/app.js

@@ -1,4 +1,5 @@
 
+import $ from 'jquery'
 import AnchorJS from 'anchor-js'
 import Alpine from 'alpinejs'
 import alpine_search from './modules/alpine_search'

assets/scripts.js.LICENSE.txt

@@ -1,3 +1,14 @@
+/*!
+ * Sizzle CSS Selector Engine v2.3.4
+ * https://sizzlejs.com/
+ *
+ * Copyright JS Foundation and other contributors
+ * Released under the MIT license
+ * https://js.foundation/
+ *
+ * Date: 2019-04-08
+ */
+
 /*!
  * clipboard.js v2.0.4
  * https://zenorocha.github.io/clipboard.js
@@ -5,6 +16,20 @@
  * Licensed MIT © Zeno Rocha
  */
 
+/*!
+ * jQuery JavaScript Library v3.4.1
+ * https://jquery.com/
+ *
+ * Includes Sizzle.js
+ * https://sizzlejs.com/
+ *
+ * Copyright JS Foundation and other contributors
+ * Released under the MIT license
+ * https://jquery.org/license
+ *
+ * Date: 2019-05-01T21:04Z
+ */
+
 /*!
  * lunr.Builder
  * Copyright (C) 2020 Oliver Nightingale