Merge pull request #17 from MiroslavPetrik/master

Learn Vimscript the Hard Way

free-programming-books.md

@@ -608,6 +608,7 @@
 * [A Byte of Vim](http://www.swaroopch.com/notes/Vim)
 * [Vim Recipes](http://vim.runpaint.org/toc/)
 * [Vi Improved -- Vim](http://www.truth.sk/vim/vimbook-OPL.pdf) by Steve Oualline
+* [Learn Vimscript the Hard Way](http://learnvimscriptthehardway.stevelosh.com/)
 
 
 ###Websphere