feat(devtools): add dfns (#912)

Author: dineshpinto

src/data/developerTools.json

@@ -26,7 +26,8 @@
     "Flarescan": "Routescan block explorer and analytics platform for Flare networks.",
     "Flare Explorer": "Blockscout tool for inspecting and analyzing Flare blockchains.",
     "Flare Systems Explorer": "Explorer for FTSO, FDC, provider and epoch metrics.",
-    "Arkham Intel": "Blockchain analytics platform for de-anonymizing onchain wallets and transactions."
+    "Arkham Intel": "Blockchain analytics platform for de-anonymizing onchain wallets and transactions.",
+    "Dfns": "Wallets-as-a-service platform to streamline digital asset operations and onboard users into crypto."
   },
   "networkTools": {
     "flare": {
@@ -99,6 +100,10 @@
           {
             "name": "Etherspot Prime SDK",
             "link": "https://etherspot.fyi/prime-sdk/intro"
+          },
+          {
+            "name": "Dfns",
+            "link": "https://www.dfns.co"
           }
         ],
         "Full-stack infra": [