add 'snel' to merchants list

_data/merchants.yml

@@ -224,6 +224,8 @@
       url: http://www.rohan.law
     - name: Rootbox; Simple, no non-sense hosting
       url: https://rootbox.host/
+    - name: Snel - dedicated and VPS hosting
+      url: https://www.snel.com/
     - name: TheBigCoin - Spend Monero Anywhere
       url: https://www.thebigcoin.io
     - name: TorGuard - VPN, proxy and email service