Update inkoop

docs/_data/sponsors.json

@@ -235,6 +235,13 @@
       "title": "Coupons For Printing",
       "width":"60",
       "height":"60"
+    },
+    "inkoop": {
+      "name": "inkoop",
+      "url": "https://www.inkoop.io/",
+      "title": "Inkoop - Website/App development company",
+      "width":"150",
+      "height":"43"
     }
   },
   "home": [
@@ -260,8 +267,10 @@
     ,"coupons4printing"
     ,"papersowl"
     ,"edusson"
+    ,"inkoop"
   ],
   "footer": [
     "polygon"
+    ,"inkoop"
   ]
 }