Added info on how to submit to docs. (#2040)

README.md

@@ -2,6 +2,8 @@
 
 Go to the Alpine docs for most things: [Alpine Docs](https://alpinejs.dev)
 
+You are welcome to submit updates to the docs by submitting a PR to this repo. Docs are located in the `/pacakges/docs` directory.
+
 Stay here for contribution-related information.
 
 > Looking for V2 docs? [here they are](https://github.com/alpinejs/alpine/tree/v2.8.2)