docs: Update docs on release

ref: https://github.com/ipfs/go-ipfs/issues/4163#issuecomment-324288851

License: MIT
Signed-off-by: David Dias <daviddias.p@gmail.com>

docs/releases.md

@@ -28,3 +28,4 @@ will be allowed up to release day.
     - [ ] IRC
     - [ ] Reddit
   - [ ] Blog post (at minimum, paste the changelog. optionally add context and thank contributors.)
+- [ ] Update HTTP-API Documentation on the Website using https://github.com/ipfs/http-api-docs