chore: Adding reference polkadot monitor

Author: NicoMolinaOZ

src/navigation/polkadot.json

@@ -353,5 +353,67 @@
 				]
 			}
 		]
+	},
+	{
+		"type": "folder",
+		"name": "Monitor",
+		"index": {
+			"type": "page",
+			"name": "Overview",
+			"url": "/monitor/1.1.x"
+		},
+		"children": [
+			{
+				"type": "page",
+				"name": "Quickstart",
+				"url": "/monitor/1.1.x/quickstart"
+			},
+			{
+				"type": "page",
+				"name": "Architecture Guide",
+				"url": "/monitor/1.1.x/architecture"
+			},
+			{
+				"type": "page",
+				"name": "Project Structure",
+				"url": "/monitor/1.1.x/project-structure"
+			},
+			{
+				"type": "page",
+				"name": "RPC Client",
+				"url": "/monitor/1.1.x/rpc"
+			},
+			{
+				"type": "page",
+				"name": "Custom scripts",
+				"url": "/monitor/1.1.x/scripts"
+			},
+			{
+				"type": "page",
+				"name": "Error Handling",
+				"url": "/monitor/1.1.x/error"
+			},
+			{
+				"type": "page",
+				"name": "Testing",
+				"url": "/monitor/1.1.x/testing"
+			},
+			{
+				"type": "page",
+				"name": "Contribution guidelines",
+				"url": "/monitor/1.1.x/contribution"
+			},
+			{
+				"type": "page",
+				"name": "Changelog",
+				"url": "/monitor/1.1.x/changelog"
+			},
+			{
+				"type": "page",
+				"name": "Rust Book",
+				"url": "https://docs-v1-1--openzeppelin-monitor.netlify.app/openzeppelin_monitor/",
+				"external": true
+			}
+		]
 	}
 ]