Monero added

Monero has been added as payment method to our European website, offering discounts for customers paying with crypto.

_data/merchants.yml

@@ -301,6 +301,8 @@
       url: http://www.francvila.com
     - name: Game of Cryptos
       url: https://gameofcryptos.com/
+    - name: Gemma LED grow lights ~ Europe ~ Discounts with crypto
+      url: https://www.gemma-led.com/
     - name: Giacobbe & Co. - Diamond and gemstone jewelry
       url: https://giacobbeandco.com/
     - name: Hammock Universe