feat: add badger to the projects using this package on README.md
diff --git a/README.md b/README.md
index 62d9ccb..33c8830 100644
--- a/README.md
+++ b/README.md
@@ -71,3 +71,4 @@
 - [FreeCache](https://github.com/coocood/freecache)
 - [FastCache](https://github.com/VictoriaMetrics/fastcache)
 - [Ristretto](https://github.com/dgraph-io/ristretto)
+- [Badger](https://github.com/dgraph-io/badger)