whitepaper: Tips to observe short-living jobs (e.g. serverless)

[bwplotka]

Idea came after our final 1.0 community review period:

Observing short-lived systems: Observability in the FaaS/Serverless space is still very weak, we'd like to tell our readers why it's so difficult to observe this kind of systems. How does Pull vs Push based models can interact with them and why performance overhead has been an issue for so long.

[PrateekKumar1709]

Hi @bwplotka, I'd like to contribute to this issue if it's still available. Please let me know if I can proceed. Thanks!