Update link to HACS custom repository docs

HACS has moved the custom repositories instructions from a note on the
settings page to its own page in the FAQ.

README.md

@@ -47,7 +47,7 @@ Kogan
 
 [![hacs_badge](https://img.shields.io/badge/HACS-Custom-orange.svg?style=for-the-badge)](https://github.com/custom-components/hacs)
 
-Installation is via the [Home Assistant Community Store (HACS)](https://hacs.xyz/), which is the best place to get third-party integrations for Home Assistant. Once you have HACS set up, simply follow the [instructions for adding a custom repository](https://hacs.xyz/docs/navigation/settings#custom-repositories) and then the integration will be available to install like any other.
+Installation is via the [Home Assistant Community Store (HACS)](https://hacs.xyz/), which is the best place to get third-party integrations for Home Assistant. Once you have HACS set up, simply follow the [instructions for adding a custom repository](https://hacs.xyz/docs/faq/custom_repositories) and then the integration will be available to install like any other.
 
 ## Configuration