Revert "Delete 2016-07-01-hello-world.md"
Revert "Delete 2016-07-01-hello-world.md"

This reverts commit 56a3288c32bc7ea0d30523eca000876739e4f81a.

pixyzehn/pixyzehn.github.io,pixyzehn/pixyzehn.github.io,pixyzehn/pixyzehn.github.io