feat: add country number extractor

[arugaz]

@all-contributors please add @TobyG74 for code

[allcontributors[bot]]

@arugaz

I've put up a pull request to add @TobyG74! :tada:

[arugaz]

@all-contributors please add @arugaz for code. please add @TobyG74 for code.

[arugaz]

@all-contributors please add @TobyG74 for code

[allcontributors[bot]]

@arugaz

I've put up a pull request to add @arugaz! :tada:

I've put up a pull request to add @TobyG74! :tada:

[allcontributors[bot]]

@arugaz

@TobyG74 already contributed before to code