change endpoint

Author: soaryong-stamper

suikotlin/src/main/java/io/cosmostation/suikotlin/model/Network.kt

@@ -1,9 +1,9 @@
 package io.cosmostation.suikotlin.model
 
 sealed class Network(val name: String, val rpcUrl: String, val faucetUrl: String) {
-    class Devnet : Network("Devnet", "https://fullnode.devnet.sui.io/", "https://faucet.devnet.sui.io")
+    class Devnet : Network("Devnet", "https://sui-devnet-kr-1.cosmostation.io", "https://faucet.devnet.sui.io")
 
-    class Testnet : Network("Testnet", "https://fullnode.testnet.sui.io/", "https://faucet.testnet.sui.io")
+    class Testnet : Network("Testnet", "https://sui-testnet-kr-1.cosmostation.io", "https://faucet.testnet.sui.io")
 
     class Localnet : Network("Localhost", "http://127.0.0.1:9000", "http://127.0.0.1:9000")