Possibility to use variable mask in the input

[nibri10]

Good afternoon friend I will try to implement in your repository vue-the-mask so it would be possible to use several types like U$$ symbols and others for currency values

https://vuejs-tips.github.io/vue-the-mask/

I tried to make the change to work the vue-the-mask method but I couldn't, I think I let something go.

calculated-field.zip

@codebykyle @marcuschristiansen