Add DOI

Author: vchuravy

README.md

@@ -2,7 +2,9 @@ KernelAbstractions.jl
 ==============
 *Ash dushum durbatulûk, ash dushum gimbatul, ash dushum thrakatulûk, agh burzum-ishi krimpatul*
 
-[![][docs-latest-img]][docs-latest-url]
+[![][docs-latest-img]][docs-latest-url]  [![DOI](https://zenodo.org/badge/237471203.svg)](https://zenodo.org/badge/latestdoi/237471203)
+
+
 
 [docs-latest-img]: https://img.shields.io/badge/docs-latest-blue.svg
 [docs-latest-url]: https://juliagpu.gitlab.io/KernelAbstractions.jl/