feat: add folder support for workflows (fixes #70)

workflows/Manual/0157_Manual_Import_Triggered.json

@@ -0,0 +1,43 @@
+{
+  "id": "140",
+  "name": "Get today's date and day using the Function node",
+  "nodes": [
+    {
+      "name": "On clicking 'execute'",
+      "type": "n8n-nodes-base.manualTrigger",
+      "position": [
+        250,
+        300
+      ],
+      "parameters": {},
+      "typeVersion": 1
+    },
+    {
+      "name": "Function",
+      "type": "n8n-nodes-base.function",
+      "position": [
+        450,
+        300
+      ],
+      "parameters": {
+        "functionCode": "var date = new Date().toISOString();\nvar day = new Date().getDay();\nconst weekday = [\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"];\n\nitems[0].json.date_today = date;\nitems[0].json.day_today = weekday[day];\n\nreturn items;"
+      },
+      "typeVersion": 1
+    }
+  ],
+  "active": false,
+  "settings": {},
+  "connections": {
+    "On clicking 'execute'": {
+      "main": [
+        [
+          {
+            "node": "Function",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  }
+}