Provide a way to search for a package from the main repo site

[TraceyC77]

On https://packages.getsol.us/shannon (or unstable), the search function only searches the current directory.
Provide a way to search the entire repo from the top level https://packages.getsol.us/shannon

Use: Be able to use the URL query with the KDE Developer setup guides. They use this kind of code in hugo for getting packages (this is for OpenSuse:

      <a {{ with .Get "opensuse" }}href="https://software.opensuse.org/package/{{ index (split . " ") 0 }}"{{ end }}><img src="/distro/opensuse.svg" alt="logo of Linux operating system openSUSE" />OpenSUSE</a>

Reilly said this could be done with symlinks through ferryd
Hans said he has python code he's using to do something similar for the appstream processing that might be able to be adapted.