add new backpack testnet validator (#765)

Author: Spud957

testnet/030d7f7ceb66fe645c244e93057e3f53866fef36c16d53cd2c4272ae2c455f1a4d.json

@@ -0,0 +1,10 @@
+{
+  "id": 172,
+  "name": "Backpack",
+  "secp": "030d7f7ceb66fe645c244e93057e3f53866fef36c16d53cd2c4272ae2c455f1a4d",
+  "bls": "84132189f3862077e13dea11449c5e2558cf29c3e926966df55587ca0c63e4502a215ff56e0472a008aee4dfa2aa418b",
+  "website": "https://backpack.exchange/",
+  "description": "0% Commission",
+  "logo": "https://i.ibb.co/ynk9vQLD/backpack.png",
+  "x": "https://x.com/Backpack"
+}