add merchant onestopny

_data/merchants.yml

@@ -273,6 +273,8 @@
       url: https://metado.pe/
     - name: Mushroom cultures, mushroom growing supplies, seeds
       url: https://www.vesp.co/Fungible
+    - name: One Stop NY
+      url: http://onestopny.com
     - name: Project Coral Reef Store
       url: http://www.projectcoralreef.com/all-stores
     - name: Renjer Snacks