feat: added shimmer explorer url support

src/main/kotlin/id/walt/nftkit/services/WaltIdServices.kt

@@ -8,7 +8,7 @@ import java.io.File
 import java.util.*
 
 
-data class Providers(val ethereum: String, val goerli: String, val sepolia: String, val polygon: String, val mumbai: String, val astar: String, val moonbeam: String, val opal: String, val unique: String)
+data class Providers(val ethereum: String, val goerli: String, val sepolia: String, val polygon: String, val mumbai: String, val astar: String, val moonbeam: String, val opal: String, val unique: String , val shimmerevm: String)
 
 data class ChainConfig(val providers: Providers, val privateKey: String)
 
@@ -104,6 +104,7 @@ object WaltIdServices {
             EVMChain.SEPOLIA -> Values.ETHEREUM_TESTNET_SEPOLIA_BLOCK_EXPLORER_URL
             EVMChain.POLYGON -> Values.POLYGON_MAINNET_BLOCK_EXPLORER_URL
             EVMChain.MUMBAI -> Values.POLYGON_TESTNET_MUMBAI_BLOCK_EXPLORER_URL
+            EVMChain.SHIMMEREVM -> Values.SHIMMEREVM_TESTNET_BLOCK_EXPLORER_URL
             else -> {throw Exception("${chain.toString()} is not supported")}
         }
     }