add polkachu testnet validator info (#784)

* add polkachu testnet validator info

* update polkachu validator info on testnet

Author: PolkachuIntern

testnet/03a82063a420c8f9c97923e1c7522e020090f0c9ed048d8875347581ccd34a07e6.json

@@ -1,10 +1,10 @@
 {
   "id": 164,
-  "name": "03a82063a420c8f9c97923e1c7522e020090f0c9ed048d8875347581ccd34a07e6",
+  "name": "polkachu.com",
   "secp": "03a82063a420c8f9c97923e1c7522e020090f0c9ed048d8875347581ccd34a07e6",
   "bls": "83949bd9111868e7988be70ee042bab56b592c190391ac292609a456bf7ebe10221edc66ec68f5c78dc1b90e1c273cdb",
-  "website": "",
-  "description": "",
-  "logo": "",
-  "x": ""
-}
+  "website": "https://www.polkachu.com",
+  "description": "Polkachu is a leading blockchain infrastructure provider, offering secure and reliable services for various blockchain networks.",
+  "logo": "https://www.polkachu.com/images/polkachu.png",
+  "x": "https://x.com/polka_chu"
+}