Invalid links in README

[Alexander-Degtyar]

These links in the README are invalid presently.

containerschiff/README.md

Lines 14 to 15 in 0c41dbf

	[1]: http://docs.ansible.com/ansible/playbooks_best_practices.html
	[2]: http://ansiblecookbook.com/downloads/ansiblecookbook.en.pdf

containerschiff/README.md

Line 20 in 0c41dbf

[7]: http://jinja.pocoo.org/docs/dev/templates/

[dminca]

Hiya! Thanks for your issue, could you raise a PR please, I'll check that out 🙇