Move the following dependencies:
- OpenVPN/OpenSSL
- WireGuard/Go
up the chain until the main App/Tunnel targets, so that UILibrary and
CommonLibrary can abstract from these unnecessary details. Instead, give
module views access to generic implementations via Registry.
Incidentally, this fixes an issue preventing TV previews from working
due to OpenSSL linkage.
- Move InteractiveView to AppUI for use in TV, with
OpenVPNCredentialsView
- Move non-UI entities to AppLibrary (IAP, ExtendedTunnel,
ProfileProcessor)
- Take API out of CommonLibrary (tunnel extension does not need it)
- Reorganize theme views/modifiers into separate files
