Arabic language support

Before creating

• This is NOT a gameplay feature from Civ VI, BNW, or outside - see Roadmap
• This is NOT a gameplay feature from Vanilla Civ V or from G&K - If so, it should be a comment in https://github.com/yairm210/Unciv/issues/4697

Problem Description

The game has enjoyed considerable popularity in the Arab world since its release, and many are requesting an Arabic language option.

Related Issue Links

No response

Desired Solution

Adding Arabic language to the game

Alternative Approaches

Adding Arabic language

Additional Context

No response