chore: add NumberBarn icon

mobile/apps/auth/assets/custom-icons/_data/custom-icons.json

@@ -1030,6 +1030,11 @@
     {
       "title": "Notion"
     },
+    {
+      "title": "NumberBarn",
+      "slug": "numberbarn",
+      "hex": "1c5787"
+    },
     {
       "title": "NuCommunity"
     },
@@ -1553,7 +1558,7 @@
       "title": "Warner Bros.",
       "slug": "warner_bros",
       "altNames": [
-          "Warner Brothers"
+        "Warner Brothers"
       ]
     },
     {
@@ -1679,4 +1684,4 @@
       "slug": "cowheels"
     }
   ]
-}
+}