Support SwiftPM

[sebbu]

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Describe the problem you'd like to have solved

Currently cocoa pods and Carthage is supported. Modern projects use SwiftPM which is not supported.

Describe the ideal solution

Also support SwiftPM.

Alternatives and current work-arounds

If it is not possible for any reason, a description about how to integrate the sdk manually would be good including all it dependencies.

Additional context

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[freesuraj]

anyone across this?