ADD Mercury gentx (#28)

* Create Mercury.json

* Update mercury gentx: change max_rate to 0.1

Author: MercurySolar

gentxs/Mercury.json

@@ -0,0 +1,67 @@
+{
+  "body": {
+    "messages": [
+      {
+        "@type": "/cosmos.staking.v1beta1.MsgCreateValidator",
+        "description": {
+          "moniker": "☉ Mercury",
+          "identity": "48CE867E6AB5ED72",
+          "website": "https://mercury-nodes.net",
+          "security_contact": "https://t.me/MercuryPlanetes",
+          "details": "Professional validators on baremetal servers. May the stake be with you!"
+        },
+        "commission": {
+          "rate": "0.100000000000000000",
+          "max_rate": "0.100000000000000000",
+          "max_change_rate": "0.050000000000000000"
+        },
+        "min_self_delegation": "1",
+        "delegator_address": "umee1xgqr7pn80g6w398wzdmye3lu6wsgk32swqcrul",
+        "validator_address": "umeevaloper1xgqr7pn80g6w398wzdmye3lu6wsgk32swylvd4",
+        "pubkey": {
+          "@type": "/cosmos.crypto.ed25519.PubKey",
+          "key": "rC95XE9grkLrVP9VOH183r0bXuT+km38wvu11wNR7GM="
+        },
+        "value": {
+          "denom": "uumee",
+          "amount": "30000000000"
+        }
+      },
+      {
+        "@type": "/gravity.v1.MsgSetOrchestratorAddress",
+        "validator": "umeevaloper1xgqr7pn80g6w398wzdmye3lu6wsgk32swylvd4",
+        "orchestrator": "umee1v4mt5vr85ag8muhamecv8sjkans8qg6myj83pf",
+        "eth_address": "0x2023Dee3ae77C7C31B0d24545753B4ab8F89F96b"
+      }
+    ],
+    "memo": "e8d22a41155ac83582ff7c4bfc0f42f690e97029@5.9.141.82:26656",
+    "timeout_height": "0",
+    "extension_options": [],
+    "non_critical_extension_options": []
+  },
+  "auth_info": {
+    "signer_infos": [
+      {
+        "public_key": {
+          "@type": "/cosmos.crypto.secp256k1.PubKey",
+          "key": "AuIJox+vqforQd46OQ9takdvIqhaUOwu30hPriUC+Rax"
+        },
+        "mode_info": {
+          "single": {
+            "mode": "SIGN_MODE_DIRECT"
+          }
+        },
+        "sequence": "0"
+      }
+    ],
+    "fee": {
+      "amount": [],
+      "gas_limit": "200000",
+      "payer": "",
+      "granter": ""
+    }
+  },
+  "signatures": [
+    "2OXpViJposhAeCBE5Hft6jWv0xSxoMY53b5HUhrtJSYCbXqDLUrb0GaPsTqrrLeQrJjARouIkHvKBqQN+WbZ5w=="
+  ]
+}