docs: add OpenSSF best practices badge

README.md

@@ -1,7 +1,7 @@
 # amp-devcontainer
 
 <!-- markdownlint-disable -->
-[![Linting & Formatting](https://github.com/philips-software/amp-devcontainer/actions/workflows/linting-formatting.yml/badge.svg)](https://github.com/philips-software/amp-devcontainer/actions/workflows/linting-formatting.yml) [![Build & Push](https://github.com/philips-software/amp-devcontainer/actions/workflows/build-push.yml/badge.svg)](https://github.com/philips-software/amp-devcontainer/actions/workflows/build-push.yml) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/philips-software/amp-devcontainer/badge)](https://securityscorecards.dev/viewer/?uri=github.com/philips-software/amp-devcontainer)
+[![Linting & Formatting](https://github.com/philips-software/amp-devcontainer/actions/workflows/linting-formatting.yml/badge.svg)](https://github.com/philips-software/amp-devcontainer/actions/workflows/linting-formatting.yml) [![Build & Push](https://github.com/philips-software/amp-devcontainer/actions/workflows/build-push.yml/badge.svg?branch=main)](https://github.com/philips-software/amp-devcontainer/actions/workflows/build-push.yml) [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/philips-software/amp-devcontainer/badge)](https://securityscorecards.dev/viewer/?uri=github.com/philips-software/amp-devcontainer) [![OpenSSF Best Practices](https://www.bestpractices.dev/projects/9267/badge)](https://www.bestpractices.dev/projects/9267)
 <!-- markdownlint enable -->
 
 ## Overview