Ibrahim urdu localization support

[ibrahim89]

Added Urdu Translation Patch-1

• This PR is for the issue #2563
• In this PR I have added Urdu translation for abstract-document, abstract-factory, active-visitor and active-object pattern

Pull request description

• Created 4 folders inside localizaion/ur and added Urdu translation for these 4 design pattern according to translation guide
• As there are many file to translate, in this commit I am translating 4 patterns so that review will get better.

For detailed contributing instructions see https://github.com/iluwatar/java-design-patterns/wiki/01.-How-to-contribute