Add mobile validation for Cambodia

[gsmtamil]

validator.isMobilePhone()
Currently its not supporting the Cambodia country

country code: 'km-KH'
/^(+?855)([1-9]\d{7,8})$/

[khushi830]

Hi maintainers! I'd love to work on this issue if it's available. Could you please assign it to me?

Thanks in advance!

[kishansinghifs1]

@gsmtamil review and merge it .

[blaycoder]

Hi, is anyone working on this