Add pre-commit badge

ddelange · asottile · commit 5f64b1a255e8 · 2020-02-14T10:49:03.000-08:00
diff --git a/README.md b/README.md
@@ -1,5 +1,6 @@
 [![Build Status](https://dev.azure.com/asottile/asottile/_apis/build/status/pre-commit.pre-commit?branchName=master)](https://dev.azure.com/asottile/asottile/_build/latest?definitionId=21&branchName=master)
 [![Azure DevOps coverage](https://img.shields.io/azure-devops/coverage/asottile/asottile/21/master.svg)](https://dev.azure.com/asottile/asottile/_build/latest?definitionId=21&branchName=master)
+[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white)](https://github.com/pre-commit/pre-commit)
 
 ## pre-commit
 
