Add HiRSE-badge to ReadMe

[Bondoki]

The HiRSE Code Promotion provides some badges, which can be added to the ReadMe.md in the next release.

The LeMonADE-project can be found here on page 49.

For the badge image, please use
as URL:
https://img.shields.io/badge/Promo-8db427?style=plastic&label=HiRSE&labelColor=005aa0&link=https%3A%2F%2Fgo.fzj.de%2FCodePromo

for Markdown:

in HTML:
](https://img.shields.io/badge/Promo-8db427?style=plastic&label=HiRSE&labelColor=005aa0&link=https%3A%2F%2Fgo.fzj.de%2FCodePromo%22%3E)

[Bondoki]

There's an update of the badges:

So it should look 'better'
as URL:
https://img.shields.io/badge/Promo-8db427?label=HiRSE&labelColor=005aa0&link=https%3A%2F%2Fgo.fzj.de%2FCodePromo

for Markdown:

in HTML:

In case the link does not work in Markdown, please add it explicitly via