Merge PR !964

Add merchants

Closes #899 and #900

See merge request monero-project/monero-site!964

_data/merchants.yml

@@ -39,6 +39,8 @@
       url: http://www.exchanged.i2p/en/home
     - name: Evercoin
       url: https://evercoin.com
+    - name: Evonax
+      url: https://www.evonax.com/
     - name: EXMO - USD/XMR
       url: https://exmo.com/
     - name: Godex
@@ -107,6 +109,8 @@
       url: https://github.com/monero-integrations/monerowp
     - name: MyCryptoCheckout
       url: https://mycryptocheckout.com
+    - name: SwirlPay
+      url: https://swirlpay.io/
 - category: Libraries and Helpers
   id: libraries
   merchants: