Add persian-calendar to the made-in-Iran collection

Author: xmha97

collections/made-in-iran/index.md

@@ -13,6 +13,7 @@ items:
  - Kiarash-Z/react-modern-calendar-datepicker
  - MahdiMajidzadeh/bootstrap-v4-rtl
  - imaNNeo/fl_chart
+ - persian-calendar/persian-calendar
  - persian-tools/persian-tools
  - usablica/intro.js
  - jadijadi/linuxandlife