Update sponsors

Author: jgthms

docs/_data/sponsors.json

@@ -194,6 +194,13 @@
       "title": "VPNs for Torrenting",
       "width":"160",
       "height":"52"
+    },
+    "bonusfinder": {
+      "name": "bonusfinder",
+      "url": "https://www.bonus.ca/",
+      "title": "Bonusfinder",
+      "width":"160",
+      "height":"34"
     }
   },
   "home": [
@@ -219,6 +226,7 @@
     ,"realtimecommunications"
     ,"polygon"
     ,"cooltechzone"
+    ,"bonusfinder"
   ],
   "footer": [
     "writersperhour"