Revert ":space_invader: Added .gitattributes & .gitignore files"

This reverts commit b48d6bb533bdc8caf3a7c8665ab2132dbfc72e61.
Revert "Revert ":space_invader: Added .gitattributes & .gitignore files""

This reverts commit 721b334f2835ae5061d3a4067bbfb68cf80c4f4e.
Revert "Revert "Test sub folders""

This reverts commit 382aef84c17e7d58d1a8592612238d6d16227f08.