chore: update devDeps, docs; drop core-js-bundle

Author: brettz9

README.md

@@ -83,10 +83,6 @@ For browser usage you can directly include `dist/index-browser-umd.cjs`; no
 Browserify magic is necessary:
 
 ```html
-<!-- Polyfill recommended by Babel for items not covered for older
-      browsers in dist -->
-<script src="node_modules/core-js-bundle/minified.js"></script>
-
 <script src="node_modules/jsonpath-plus/dist/index-browser-umd.cjs"></script>
 
 <script>
@@ -400,4 +396,3 @@ npm run browser-test
 ## License
 
 [MIT License](https://opensource.org/license/mit/).
-

docs/ts/.nojekyll

@@ -0,0 +1 @@
+TypeDoc added this file to prevent GitHub Pages from using Jekyll. You can turn off this behavior by setting the `githubPages` option to false.