feat: add Markdown cut link to footer and page for improved accessibility

apps/landing/src/components/Footer/Footer.tsx

@@ -1,5 +1,6 @@
 import Image from 'next/image';
 import Link from 'next/link';
+import {useRouter} from 'next/router';
 import {WIKI_URI} from '../../lib/constants';
 import logo from '../../../public/assets/logo.svg';
 
@@ -7,6 +8,10 @@ import logo from '../../../public/assets/logo.svg';
  *
  */
 export default function Footer() {
+  const router = useRouter();
+  const path = (router.asPath || '/').split(/[?#]/)[0];
+  const trimmed = path === '/' ? '/' : path.replace(/\/$/, '');
+  const mdHref = `${trimmed}.md`;
   return (
     <>
       <footer className={'border-t border-neutral-200 bg-white'}>
@@ -263,8 +268,15 @@ export default function Footer() {
             </div>
           </div>
 
-          <div className="mt-16 border-t border-neutral-200 pt-8">
+          <div className="mt-16 flex flex-col gap-2 border-t border-neutral-200 pt-8 sm:flex-row sm:items-center sm:justify-between">
             <p className="text-sm text-neutral-500">&copy; {new Date().getFullYear()} Plunk. All rights reserved.</p>
+            <p style={{fontFamily: 'var(--font-mono)'}} className="text-[11px] text-neutral-400">
+              Reading this with electronic eyes? Append{' '}
+              <a href={mdHref} className="text-neutral-500 underline decoration-dotted underline-offset-2 transition hover:text-neutral-900">
+                <code>.md</code>
+              </a>{' '}
+              to any URL for the Markdown cut.
+            </p>
           </div>
         </div>
       </footer>