Icons generated by "manifestMaskable" cannot be configured

[jahed]

When manifestMaskable is set, all maskable icons are generated. They should be configurable like all of the other icons are.

https://github.com/itgalaxy/favicons/blob/7b0e34047efe410c46a81d07190086ec9fc6e723/src/platforms/android.ts#L108-L124