r: add 56.md

I need to link there sometimes and I never remember the RFC number and this is faster anyway.
2016-05-04 17:51:47 +03:00 · 2016-05-04 17:51:47 +03:00 · 213e5a1508
parent 7b1dc62649
commit 213e5a1508
1 changed files with 5 additions and 0 deletions
--- a/r/56.md
+++ b/r/56.md
@ -0,0 +1,5 @@
+---
+redirect_to: https://tools.ietf.org/html/rfc6177
+permalink: /r/56.html
+sitemap: false
+---