Update README.

Li Ian-Xue (b4283)Thu Sep 30 19:56:25+0300 2021

6896963

guile-pastebin/pastebin
namelast commitdate
data.scmAdd raw link.Mon Sep 27 20:10:58+0300 2021
httpserver.scmAdd to show the raw url after paste.Thu Sep 30 19:39:46+0300 2021