Adding in the better sed

Renaming to index.md;rereading of Hugo showed me my mistake; removing commented out/Markdown has no comment feature
Updating with Olivier. Yay! It looks great

Signed-off-by: Mary Anthony <mary@docker.com>

docs/spec/api.md

@@ -1,6 +1,5 @@
 <!--[metadata]>
 +++
-draft = true
 title = "Docker Registry HTTP API V2"
 description = "This is a specification for the API."
 keywords = ["registry, service, driver, images, storage,  api"]