Create a Netlify redirect for Hugo Aliases
As part of #703 (closed), I want to be redirecting these using HTTP 301s, rather than using a client-side redirect, as then it's not going to be cached, and will impact SEO.
This generates 301s for each and every alias on the site, while retaining the use of Hugo's built-in aliases so local / Review Apps testing is unaffected.
Closes #703 (closed).