Add links to facebook (*sigh*)

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

manuscript/community/index.md

@@ -14,3 +14,4 @@ Find details about our communities below:
 * [Mastodon](/community/mastodon/) - Federated, open-source microblogging platform
 * [Discourse](https://forum.funkypenguin.co.nz) - Forums - asyncronous communition
 * [GitHub](https://github.com/funkypenguin/) - Issues and PRs
+* [Facebook](https://www.facebook.com/funkypenguinnz/) - Social networking for old-timers!

mkdocs.yml

@@ -325,6 +325,8 @@ extra:
       link: 'https://www.funkypenguin.co.nz/'
     - icon: 'fontawesome/brands/linkedin'
       link: 'https://www.linkedin.com/in/funkypenguin'
+    - icon: 'fontawesome/brands/facebook'
+      link: 'https://www.facebook.com/funkypenguinnz'      
     - icon: 'material/mailbox'
       link: 'mailto:davidy@funkypenguin.co.nz?Subject=Hello%2C%20from%20a%20geek-cookbook%20reader%20%3B%29'             
   generator: false