add puri.sm to merchants

_data/merchants.yml

@@ -401,6 +401,8 @@
       url: https://www.pawanpatsilver.com
     - name: Project Coral Reef Store
       url: http://www.projectcoralreef.com/all-stores
+    - name: Purism - Privacy Phones & Laptops
+      url: https://shop.puri.sm/
     - name: Renjer Snacks
       url: http://www.renjer.ky
     - name: Revolution Microelectronics