docs: updating the development contribution docs (rjsf-team#1913)

erunion · web-flow · commit 978f48bb66f6 · 2020-07-15T09:22:57.000-04:00
diff --git a/docs/contributing.md b/docs/contributing.md
@@ -6,6 +6,7 @@ When developing, run the following from the root-level directory:
 
 ```bash
 npm install
+npm run build
 npm start
 ```
 
