Make the keyboard able to replace currency symbols

[vickcoo]

the iPhone keyboard could be replaced with difference currency symbols

Contributor checklist

• This pull request is on a separate branch and not the main branch

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Description

In this task, modify the keyboard generation from static to dynamic using the builder pattern which allows the keyboard to replace currency symbols (also can replace other symbols).

Related issue

• Allow for currency symbol selection #238

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[andrewtavis]

Hey @vickcoo! This is really great! 🚀 Seems like a really great way to go about this :) You'd be very welcome to update each of the language keyboard interface files with this method of building the keyboards. Remember that we also need to do the same for genPadNumberKeys and genPadSymbolKeys as well 😊

Thanks so much for getting to this so quickly and bringing such a great improvement to the project! 🙌

[vickcoo]

Hi @andrewtavis, thanks for reminding me about the modification I missed, I've also finished the keyboards for each language.

[andrewtavis]

This is some great progress here, @vickcoo! My recent commit made the needed adjustments to the keyboards that we're working on, but aren't launched yet :)

Thanks so much for the ideation of the issue and for the great implementation! 🚀🙏