chore(local setup): add dummy seq metadata (#309)

scripts/settlement/register_sequencer_to_hub.sh

@@ -53,6 +53,45 @@ if [ "$METADATA_PATH" = "" ]; then
     if [ "$answer" != "${answer#[Yy]}" ]; then
       cat <<EOF > "$METADATA_PATH"
 {
+  "moniker": "Sample Moniker",
+  "details": "Some details about the sequencer",
+  "p2p_seeds": [
+    "seed1.example.com:26656",
+    "seed2.example.com:26656"
+  ],
+  "rpcs": [
+    "http://rpc1.example.com:26657",
+    "http://rpc2.example.com:26657"
+  ],
+  "evm_rpcs": [
+    "http://evm-rpc1.example.com:8545",
+    "http://evm-rpc2.example.com:8545"
+  ],
+  "rest_api_url": "http://restapi.example.com",
+  "explorer_url": "http://explorer.example.com",
+  "genesis_urls": [
+    "http://genesis1.example.com",
+    "http://genesis2.example.com"
+  ],
+  "contact_details": {
+    "website": "http://website.example.com",
+    "telegram": "https://t.me/example",
+    "x": "https://twitter.com/example"
+  },
+  "extra_data": "RXh0cmEgZGF0YSBzYW1wbGU=",
+  "snapshots": [
+    {
+      "snapshot_url": "http://snapshot1.example.com",
+      "height": 123456,
+      "checksum": "d41d8cd98f00b204e9800998ecf8427e"
+    },
+    {
+      "snapshot_url": "http://snapshot2.example.com",
+      "height": 789012,
+      "checksum": "e2fc714c4727ee9395f324cd2e7f331f"
+    }
+  ],
+  "gas_price": "1000000"
 }
 EOF
     else