docs: Add translations badge

README.md

@@ -1,6 +1,6 @@
 # MusicBrainz mail service
 
-[![CI status](https://github.com/metabrainz/mb-mail-service/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/metabrainz/mb-mail-service/actions/workflows/ci.yml?query=branch%3Amain) [![Dependency status](https://deps.rs/repo/github/metabrainz/mb-mail-service/status.svg)](https://deps.rs/repo/github/metabrainz/mb-mail-service) [![Last commit](https://img.shields.io/github/last-commit/metabrainz/mb-mail-service.svg?logo=github&logoColor=white)](https://github.com/metabrainz/mb-mail-service/commits/main/) [![pre-commit enabled](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)](https://github.com/pre-commit/pre-commit)
+[![CI status](https://github.com/metabrainz/mb-mail-service/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/metabrainz/mb-mail-service/actions/workflows/ci.yml?query=branch%3Amain) [![Dependency status](https://deps.rs/repo/github/metabrainz/mb-mail-service/status.svg)](https://deps.rs/repo/github/metabrainz/mb-mail-service) [![Last commit](https://img.shields.io/github/last-commit/metabrainz/mb-mail-service.svg?logo=github&logoColor=white)](https://github.com/metabrainz/mb-mail-service/commits/main/) [![pre-commit enabled](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)](https://github.com/pre-commit/pre-commit) [![Translation status](https://translations.metabrainz.org/widget/email/email-templates/svg-badge.svg)](https://translations.metabrainz.org/engage/email/)
 
 This is a service to send automated emails for the MusicBrainz Project.