Add support for the ServiceName key for all unit types
Extend the PodInfo struct into UnitInfo to consolidate all prepopulated data into a single map
Use the NodesInfo map instead of the resourceName
Update the UnitInfo in the convert function instead of returning it
No need to replace extension anymore just remove it
All e2e tests with dependencies on other Quadlet files moved to a separate section
Add the capability of overriding the service name in the test
Add e2e tests for the new functionality
Adjust integration tests
Update the MAN page
Signed-off-by: Ygal Blum <ygal.blum@gmail.com>