Update README.md

Author: gaborbernat

README.md

@@ -1,5 +1,8 @@
 # pyproject-fmt mirror
 
+[![Mirror](https://github.com/tox-dev/pyproject-fmt/actions/workflows/mirror.yaml/badge.svg)](https://github.com/tox-dev/pyproject-fmt/actions/workflows/mirror.yaml)
+[![Test](https://github.com/tox-dev/pyproject-fmt/actions/workflows/check.yaml/badge.svg)](https://github.com/tox-dev/pyproject-fmt/actions/workflows/check.yaml)
+
 The source code for this project now lives inside
 [toml-fmt](https://github.com/tox-dev/toml-fmt/tree/main/pyproject-fmt), this repository serves only as a mirror for
 pre-commit.