Version 0.97

• updated signal-cli to v0.13.23
• the /v1/devices endpoint now also returns the device id (thanks to @Kamaradas)
• added a new endpoint to remove a device (thanks to @Kamaradas)
• added a new endpoint to remove the local account data (thanks to @Kamaradas)
• added a new endpoint to return the raw linking code, instead of the QR code (thanks to @Kamaradas)
• added REST API endpoints to create, delete and vote in Signal Polls
• the /v1/unregister endpoint now also works in json-rpc mode