Update sponsors

docs/_data/sponsors.json

@@ -111,6 +111,13 @@
       "width":"125",
       "height":"35"
     },
+    "searchpromocodes": {
+      "name": "SearchPromoCodes",
+      "url": "https://searchpromocodes.com/",
+      "title": "SearchPromoCodes",
+      "width":"150",
+      "height":"62"
+    },
     "clothingric": {
       "name": "ClothingRIC",
       "url": "https://www.clothingric.com/",
@@ -172,6 +179,14 @@
       "title": "Real Time Communications World",
       "width":"120",
       "height":"57"
+    },
+    "polygon": {
+      "name": "Polygon.io",
+      "url": "https://polygon.io/",
+      "title": "Stock APIs",
+      "width":"150",
+      "height":"50",
+      "follow": true
     }
   },
   "home": [
@@ -186,7 +201,7 @@
     "sparheld",
     "bid4papers",
     "writersperhour",
-    "promocodewatch",
+    "searchpromocodes",
     "clothingric",
     "edubirdie",
     "edusson",
@@ -194,9 +209,11 @@
     "namobot",
     "firesticktricks",
     "airtract",
-    "realtimecommunications"
+    "realtimecommunications",
+    "polygon"
   ],
   "footer": [
-    "writersperhour"
+    "writersperhour",
+    "polygon"
   ]
 }