docs: root page

Author: wanjas

apps/docs/pages/index.mdx

@@ -1,3 +1,11 @@
 # Introduction
 
 React state manager that helps you to deal with `numbers`, `dates`, `arrays`, etc. in the URL params.
+
+Get sharable links with the current state of your app.
+
+> `https://example.com/?text=query&number=10&date=2023-11-29T13%3A52%3A50.230Z`
+>
+> `<=>`
+>
+> `{ text: 'query', number: 10, date: new Date('2023-11-29T13:52:50.230Z') }`