Adding Zenodo DOI

Prepare for CRAN v0.1.10 release

* Addressed ERROR on R-devel CRAN environments by setting `parallelly.makeNodePSOCK.setup_strategy = sequential` for all CRAN tests as suggested by the maintainer for the `future` and `parallelly` packages who is actively working on a solution <https://github.com/HenrikBengtsson/parallelly/issues/65>