fix: asf site config file had the wrong yaml extension

Author: espy

docs/asf.yml.liquid docs/asf.yaml.liquiddocs/asf.yml.liquid renamed to docs/asf.yaml.liquid

@@ -1,5 +1,5 @@
 ---
-permalink: /.asf.yml
+permalink: /.asf.yaml
 ---
 staging:
   profile: ~