fcm-listener v1.1.0

fcm-listener-node

the name is a lie it just registers the device for now

MRs are welcome

huge thanks to:

• microG Project's GmsCore implementation
• MattieuLemoine's push-receiver

use in your project: https://yarnpkg.com/package/fcm-listener

chat on matrix: #erupcja-fcm-listener-node:laura.pm / #erupcja:laura.pm