Add download button

docs/_data/sponsors.json

@@ -402,6 +402,13 @@
       "title": "wagerdex",
       "width": "150",
       "height": "30"
+    },
+    "writepaperfor": {
+      "name": "writepaperfor",
+      "url": "http://writepaperfor.me/",
+      "title": "Write my paper for me",
+      "width": "150",
+      "height": "30"
     }
   },
   "home": [
@@ -437,6 +444,7 @@
     ,"cryptocasinos"
     ,"gambledex"
     ,"wagerdex"
+    ,"writepaperfor"
   ],
   "footer": ["polygon", "inkoop", "pondr"]
 }