Add inputmask for a-input component

[leogenus]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

It helps for input patterns to be used.
It would be happy to contribute this issue (enhancement)!

What does the proposed API look like?

Example: https://github.com/scleriot/vue-inputmask
or like this example:
scleriot/vue-inputmask#6

[leogenus]

I want to add this feature

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[Pacheco95]

No updates here? I've been looking for this feature for a long time

[Pacheco95]

I discovered a beautiful way to do that. Take a look vuejs-tips/vue-the-mask#168

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.