Add allforcrypto.com to merchants.yml

Fix #403

_data/merchants.yml

@@ -170,6 +170,8 @@
       url: https://silverround.com/
     - name: Synntech Gaming
       url: https://synntechgaming.com
+    - name: All For Crypto
+      url: https://allforcrypto.com
 - category: Entertainment
   merchants:
     - name: Crypto Games