Add the flag of the Arab League

[vendelle]

Detailed Description

Add the flag of the Arab League.

Is your feature request related to a problem? Please describe.

I want to use your pack to feature flags next to languages. For Arabic, there is no obvious country to pick. A safe choice is using the Arab League flag. See here for context.

Describe the solution you'd like

Add the flag.

Describe alternatives you've considered

Using another flag but it does not convey the same meaning.

Additional context