Added a README.md for the resources.
Added a README.md for the resources.

ivanursul/strongbox,strongbox/strongbox,sbespalov/strongbox,ivanursul/strongbox,nenko-tabakov/strongbox,sbespalov/strongbox,strongbox/strongbox,strongbox/strongbox,sbespalov/strongbox,baisjuan/strongbox,AlexOreshkevich/strongbox,sbespalov/strongbox,strongbox/strongbox,korest/strongbox