Typing stubs for third-party packages used in ubo

This is temporary until we move them to typeshed or communicate with the maintainers of these packages to provide solutions.

Name		Name	Last commit message	Last commit date
Latest commit History 1 Commit
alsaaudio		alsaaudio
picamera2		picamera2
sdbus		sdbus
sdbus_async/networkmanager		sdbus_async/networkmanager
README.md		README.md

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