Move js/src/index.js one folder up (#32001)

build/rollup.config.js

@@ -31,7 +31,7 @@ if (BUNDLE) {
 }
 
 module.exports = {
-  input: path.resolve(__dirname, '../js/src/index.js'),
+  input: path.resolve(__dirname, '../js/index.js'),
   output: {
     banner,
     file: path.resolve(__dirname, `../dist/js/${fileDest}`),

js/index.js

@@ -0,0 +1,34 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.5.3): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+import Alert from './src/alert'
+import Button from './src/button'
+import Carousel from './src/carousel'
+import Collapse from './src/collapse'
+import Dropdown from './src/dropdown'
+import Modal from './src/modal'
+import Popover from './src/popover'
+import Scrollspy from './src/scrollspy'
+import Tab from './src/tab'
+import Toast from './src/toast'
+import Tooltip from './src/tooltip'
+import Util from './src/util'
+
+export {
+  Util,
+  Alert,
+  Button,
+  Carousel,
+  Collapse,
+  Dropdown,
+  Modal,
+  Popover,
+  Scrollspy,
+  Tab,
+  Toast,
+  Tooltip
+}