Merge pull request #3875 from eco747/patch-1

Update index.md

Author: ahpook

collections/made-in-france/index.md

@@ -17,6 +17,7 @@ items:
  - GitbookIO/gitbook
  - mui/material-ui
  - PrestaShop/PrestaShop
+ - rlibre/x4js
 display_name: Made in France
 created_by: ferdi05
 image: made-in-france.png