Update link to Font Awesome to reference v5 directly
```yaml
---
# Homepage configuration
-# See https://fontawesome.com/icons for icons options
+# See https://fontawesome.com/v5/search for icons options
# Optional: Use external configuration file.
# Using this will ignore remaining config in this file
---
# Homepage configuration
-# See https://fontawesome.com/icons for icons options
+# See https://fontawesome.com/v5/search for icons options
title: "Demo dashboard"
subtitle: "Homer"
---
# Homepage configuration
-# See https://fontawesome.com/icons for icons options
+# See https://fontawesome.com/v5/search for icons options
title: "Hello beautiful!"
subtitle: "App dashboard"