Replace pinfo alioth link with an archive.org mirror

Alioth was a FusionForge instance run by Debian, decommissioned in 2018.

Author: Daniel Lange

faq.haml

@@ -61,7 +61,7 @@
           %br/
           The long explanation is that what inspired me to write htop was
           = succeed "," do
-            %a{:href => "http://pinfo.alioth.debian.org/"} pinfo
+            %a{:href => "https://web.archive.org/web/20180405002216/http://pinfo.alioth.debian.org/"} pinfo
     %br/
     %br/
     %br/