⚡ Add and update codex files (#1834)

* ✨ Add and update codex files

* 🔨 Fix codex format

* 🔨 Fix codex format for remaining files

packages/nodes-base/nodes/Set.node.json

@@ -37,6 +37,16 @@
 				"icon": "🧾",
 				"url": "https://n8n.io/blog/automatically-adding-expense-receipts-to-google-sheets-with-telegram-mindee-twilio-and-n8n/"
 			},
+			{
+				"label": "Automate your data processing pipeline in 9 steps",
+				"icon": "⚙️",
+				"url": "https://n8n.io/blog/automate-your-data-processing-pipeline-in-9-steps-with-n8n/"
+			},
+			{
+				"label": "15 Google apps you can combine and automate to increase productivity",
+				"icon": "💡",
+				"url": "https://n8n.io/blog/automate-google-apps-for-productivity/"
+			},
 			{
 				"label": "Building an expense tracking app in 10 minutes",
 				"icon": "📱",
@@ -73,5 +83,10 @@
 				"url": "https://n8n.io/blog/how-goomer-automated-their-operations-with-over-200-n8n-workflows/"
 			}
 		]
+	},
+	"subcategories": {
+		"Core Nodes": [
+			"Data Transformation"
+		]
 	}
 }