Add InfraSingularity validator info for mainnet (#918)

Author: varunguptais

mainnet/0297a0dd2d9b455482132cd5f30e68fe5e07386a975de07827c0746bfe683490e5.json

@@ -0,0 +1,10 @@
+{
+  "id": 217,
+  "name": "InfraSingularity",
+  "secp": "0297a0dd2d9b455482132cd5f30e68fe5e07386a975de07827c0746bfe683490e5",
+  "bls": "a30a144a88eee22ae1b49de786bdc25153e9f12ab0d5572af15c54ca14752c86471144d156423771de49ad2d4c90abdc",
+  "website": "https://infrasingularity.com/",
+  "description": "InfraSingularity is a pioneering investor and builder dedicated to advancing the Web3 ecosystem.",
+  "logo": "https://raw.githubusercontent.com/Infrasingularity-com/Brand-Kits/refs/heads/main/Copy_of_IS-logo-square.png",
+  "x": "https://x.com/isinfra"
+}