Backport #24962 by @techknowlogick
caddy v1 is loong eol. v2 should be used.
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
(cherry picked from commit 8a6a1143a4a03b587164cac93049a34c7b2dd47c)
Since now all articles have a class, the `Usage:` is unnecessary. This
PR will remove them.
(cherry picked from commit e7757aa4be3ecb067749df226043e61a12b62d82)