Update package page to properly fetch READMEs that are in a referenced directory (mono repos)

[ryanhefner]

Describe the bug
Update package page to properly fetch READMEs that are in a referenced directory (mono repos)

To Reproduce
Steps to reproduce the behavior:

1. Go to https://www.pkgstats.com/pkg:next

Expected behavior
Proper README file would be requested and rendered.

Screenshots