Clarify how to add no-index rule in README

Because all of the other rules have configuration examples, I got a little lost when I came to no-index and there were no examples.
selaux · Jan 6, 2021 · dc63876 · dc63876
1 parent 32fc70d
commit dc63876
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -125,6 +125,10 @@ export default functionName();
 Having a bunch of `index.js` files can have negative influence on developer experience, e.g. when
 opening files by name. When enabling this rule. `index.js` files will always be considered a problem.
 
+```json
+"filenames/no-index": 2
+```
+
 ## Changelog
 
 #### 1.3.2