diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000..5008ddfcf5
Binary files /dev/null and b/.DS_Store differ
diff --git a/demo/src/.DS_Store b/demo/src/.DS_Store
new file mode 100644
index 0000000000..175ed52589
Binary files /dev/null and b/demo/src/.DS_Store differ
diff --git a/demo/src/public/.DS_Store b/demo/src/public/.DS_Store
new file mode 100644
index 0000000000..2a51b1f5ed
Binary files /dev/null and b/demo/src/public/.DS_Store differ
diff --git a/src/index.ts b/src/index.ts
index 964c25dc9d..abdd8fa326 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -97,6 +97,7 @@ export {
   NgbNavContentContext,
   NgbNavItem,
   NgbNavLink,
+  NgbNavModule,
   NgbNavOutlet
 } from './nav/nav.module';
 export {