added website code for containerd.io

Signed-off-by: Patrick Chanezon <patlist@chanezon.com>

docs/hooks/pre_build

@@ -0,0 +1,10 @@
+#!/bin/bash
+echo "=> Building the binary"
+docker run --privileged \
+  -v $(pwd):/usr/src/app  \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  starefossen/github-pages jekyll build
+echo $(pwd)
+ls -la
+ls -la _site
+