How to adjust proguard configuration on Meteor Android

mobile
1

Hi, I am adding card.io to a Cordova Meteor project, but to make it work on Android I have to do this according to the documentation (https://github.com/vkeepe/card.io):

Android

Before you build in release mode, make sure to adjust your proguard configuration by adding the following to proguard.cnf:

    -keep class io.card.** { *; }
    -keep class com.keepe.** { *; }
    -keepclassmembers class io.card.** { *;}
    -dontwarn io.card.payment.CardIOActivity
    (See bug: https://github.com/card-io/card.io-Android-SDK/issues/86)

Can anyone point me in the right direction on how to do this? Thanks in advance!