static/shared: update footer with link to pkg.go.dev/about
Video:https://drive.google.com/file/d/10dfZQgpEh2590taRXw6lYd0pcbhvg6u1/view?usp=sharing
Run-TryBot: Jamal Carvalho
<a href="/std" class="go-Footer-link" data-gtmc="footer link">
Standard Library
</a>
+ <a href="https://pkg.go.dev/about" class="go-Footer-link" data-gtmc="footer link">
+ About Go Packages
+ </a>
</div>
<div class="go-Footer-linkColumn">
<a href="https://go.dev/project" class="go-Footer-link go-Footer-link--primary"
