Android/iOS managed configurations

[roberthase]

Is your feature request related to a problem? Please describe.
manual configuration of selfhosted-servers and no way to provide setup-keys on android/ios

Describe the solution you'd like
provide a managed configuration for the netbird app which can be rolled out with a mdm (intune, google workspace)

Describe alternatives you've considered
trusting users to read provided directions

Additional context
i would try to convince my company to contribute($$$) for the implementation

[mrbluecoat]

ref: #1661