Include status badges and links in the top of the `README.md`

[Niels de Vos]

Some useful tools for promoting and code quality checking:

• https://goreportcard.com/report/github.com/csi-addons/kubernetes-csi-addons
• https://img.shields.io/github/release/csi-addons/kubernetes-csi-addons/all.svg
• https://www.tickgit.com/browse?repo=github.com/csi-addons/kubernetes-csi-addons&branch=main