add multisender to tools

Author: lysycyn

apps/web/public/images/partners/multisender.png

@@ -599,6 +599,14 @@
     "category": "consumer",
     "subcategory": "music"
   },
+  {
+    "name": "Multisender.app",
+    "description": "Multisender facilitates airdrops and other mass transactions on 20+ networks, including Base. It takes a list of recipients and their respective token amounts and automates everything else.",
+    "url": "https://classic.multisender.app/",
+    "imageUrl": "/images/partners/multisender.png",
+    "category": "infra",
+    "subcategory": "developer tool"
+  },
   {
     "name": "GetBlock",
     "url": "https://getblock.io/",