feat: Add logo and metadata for Terra Classic chain

.changeset/itchy-cycles-type.md

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+---
+'@hyperlane-xyz/registry': minor
+---
+
+Add metadata and registry setup for Terra Classic to enable Hyperlane integration and infrastructure provisioning

chains/terraclassic/metadata.yaml

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+# yaml-language-server: $schema=../schema.json
+bech32Prefix: terra
+blockExplorers:
+  - apiUrl: https://api.terra-classic.hexxagon.io
+    family: other
+    name: Terra Finder
+    url: https://finder.terraclassic.community
+canonicalAsset: uluna
+chainId: columbus-5
+displayName: Terra Classic
+domainId: 1425
+gasPrice:
+  amount: "28.325"
+  denom: uluna
+grpcUrls:
+  - http: "https://grpc.terra-classic.hexxagon.io"
+isTestnet: false
+name: terraclassic
+nativeToken:
+  decimals: 6
+  denom: uluna
+  name: Luna Classic
+  symbol: LUNC
+protocol: cosmos
+restUrls:
+  - http: https://lcd.terra-classic.hexxagon.io
+rpcUrls:
+  - http: https://terra-classic-rpc.publicnode.com:443
+slip44: 330
+technicalStack: other