Add link to inertia.js main repo

Author: fridzema

readme.md

@@ -1,6 +1,6 @@
 # Inertia.js Laravel Adapter
 
-To use Inertia.js you need both a server-side adapter (like this one) as well as a client-side adapter, such as [inertia-vue](https://github.com/inertiajs/inertia-vue). Be sure to also follow the installation instructions for the client-side adapter you choose. This documentation will only cover the Laravel adapter setup.
+To use [Inertia.js](https://github.com/inertiajs/inertia) you need both a server-side adapter (like this one) as well as a client-side adapter, such as [inertia-vue](https://github.com/inertiajs/inertia-vue). Be sure to also follow the installation instructions for the client-side adapter you choose. This documentation will only cover the Laravel adapter setup.
 
 ## Installation