Add badges to README

[fabasoad]

Pull request checklist

Please check if your PR fulfills the following requirements:

• I have read the CONTRIBUTING
  doc.
• Tests for the changes have been added (for bug fixes / features).
• Docs have been reviewed and added / updated if needed (for bug fixes / features).

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior

What is the new behavior

Does this introduce a breaking change

• Yes
• No

Other information

---

Closes #{IssueNumber}