Support `balena join` to applications of compatible architectures
Support `balena join` to applications of compatible architectures

Resolves: #1431
Change-type: minor
Signed-off-by: Thodoris Greasidis <5791bdc4541e79bd43d586e3c3eff1e39c16665f@balena.io>
resin-io/resin-cli,resin-io/resin-cli,resin-io/resin-cli,resin-io/resin-cli