Add L2 Protocol (#181)

* Add L2 Protocol

Add L2 Protocol blockchain

* fixing JSON structure

---------

Co-authored-by: NikitaSavik <NikitaSavik@users.noreply.github.com>

Author: L2Protocol

data/chains.json

@@ -12217,21 +12217,38 @@
     ],
     "logo": "https://app.mintrax.network/images/MTT.png"
   },
+  "12216": {
+    "name": "L2 Protocol",
+    "description": "Smart Contracts for Any Chain",
+    "ecosystem": ["Ethereum"],
+    "isTestnet": false,
+    "layer": 1,
+    "rollupType": null,
+    "native_currency": "L2P",
+    "website": "https://l2protocol.com",
+    "explorers": [
+      {
+        "url": "https://l2pscan.com",
+        "hostedBy": "self"
+     }
+    ],
+    "logo": "https://static.l2protocol.com/images/icon.svg"   
+  },
   "890": {
-  "name": "Capital Exchange",
-  "description": "CXM",
-  "ecosystem": ["Capital Exchange"],
-  "isTestnet": false,
-  "layer": 1,
-  "rollupType": null,
-  "native_currency": "CXM",
-  "website": "https://www.capitalexchange.markets",
-  "explorers": [
-    {
-      "url": "https://explorer.capitalexchange.net",
-      "hostedBy": "blockscout"
-    }
-  ],
-  "logo": "https://capitalexchange.it/img/cxm1.png"
-}
+    "name": "Capital Exchange",
+    "description": "CXM",
+    "ecosystem": ["Capital Exchange"],
+    "isTestnet": false,
+    "layer": 1,
+    "rollupType": null,
+    "native_currency": "CXM",
+    "website": "https://www.capitalexchange.markets",
+    "explorers": [
+      {
+        "url": "https://explorer.capitalexchange.net",
+        "hostedBy": "blockscout"
+      }
+    ],
+    "logo": "https://capitalexchange.it/img/cxm1.png"
+  }
 }