feat: update hyperchains example config and docs

- add block explorer for L1 network
- update docs for hyperchains config

Author: bxpana

hyperchains/README.md

@@ -62,7 +62,10 @@ Array<{
       rpcUrls: {
         default: { http: [ string ] },
         public: { http: [ string ] }
-      }
+      };
+      blockExplorers?: {
+        default: { name: string; url: string }
+      };
     };
   },
   tokens: Array<{ // Must include the base token for the chain so the UI can label balances correctly
@@ -77,7 +80,7 @@ Array<{
 }>
 ```
 
-> ℹ️ **Heads up:** include `displaySettings` so your network appears in the selector, fill in `nativeCurrency` for accurate chain metadata, and list the chain's base token in `tokens` to avoid the generic `BASETOKEN` label in the UI.
+> ℹ️ **Heads up:** include `displaySettings` so your network appears in the selector, fill in `nativeCurrency` for accurate chain metadata, provide `blockExplorers.default.url` on both L2 and `l1Network` if you want explorer links in the UI, and list the chain's base token in `tokens` to avoid the generic `BASETOKEN` label.
 </details>
 
 ---

hyperchains/example.config.json

@@ -21,14 +21,20 @@
         "id": 9,
         "name": "Localhost",
         "network": "localhost",
-        "nativeCurrency": { 
-          "name": "Ether", 
-          "symbol": "ETH", 
-          "decimals": 18 
+        "nativeCurrency": {
+          "name": "Ether",
+          "symbol": "ETH",
+          "decimals": 18
         },
         "rpcUrls": {
           "default": { "http": ["http://localhost:8545"] },
           "public": { "http": ["http://localhost:8545"] }
+        },
+        "blockExplorers": {
+          "default": {
+            "name": "Local Block Explorer",
+            "url": "http://localhost:3010"
+          }
         }
       }
     },