Update links on README

Author: cofinoa

README.md

@@ -1,6 +1,9 @@
 # cf-convention.github.io
 
-This repo contains the source files for [the CF Conventions web site][cf-website].
-[![Check links status](https://github.com/cf-convention/cf-convention.github.io/actions/workflows/check_links_cron.yml/badge.svg)](https://github.com/cf-convention/cf-convention.github.io/actions/workflows/check_links_cron.yml)
+This repo contains the source files for the [CF Conventions web site][cf-website].
+
+[![Check links status][cf-website-link-status]][cf-website-link-status-summary]
 
 [cf-website]: https://cfconventions.org/
+[cf-website-link-status]: https://github.com/cf-convention/cf-convention.github.io/actions/workflows/check_links_cron.yml/badge.svg
+[cf-website-link-status-summary]: https://github.com/cf-convention/cf-convention.github.io/actions/workflows/check_links_cron.yml