Added myself to CODEOWNERS
Added myself to CODEOWNERS

Signed-off-by: mjingle <79f037a6da83f3b346d0c5fb5a4f36b197ae2981@chef.io>
habitat-sh/habitat,habitat-sh/habitat,rsertelon/habitat,rsertelon/habitat,habitat-sh/habitat,habitat-sh/habitat,rsertelon/habitat,habitat-sh/habitat,rsertelon/habitat,rsertelon/habitat,rsertelon/habitat,habitat-sh/habitat,habitat-sh/habitat,rsertelon/habitat,habitat-sh/habitat