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

workflows/Manual/0959_Manual_Signl4_Automate_Triggered.json

@@ -0,0 +1,45 @@
+{
+  "nodes": [
+    {
+      "name": "On clicking 'execute'",
+      "type": "n8n-nodes-base.manualTrigger",
+      "position": [
+        250,
+        300
+      ],
+      "parameters": {},
+      "typeVersion": 1
+    },
+    {
+      "name": "SIGNL4",
+      "type": "n8n-nodes-base.signl4",
+      "position": [
+        450,
+        300
+      ],
+      "parameters": {
+        "message": "This is a test alert sent from n8n to SIGNL4",
+        "additionalFields": {
+          "title": "Sample Title"
+        }
+      },
+      "credentials": {
+        "signl4Api": "Signl4 Team Secret"
+      },
+      "typeVersion": 1
+    }
+  ],
+  "connections": {
+    "On clicking 'execute'": {
+      "main": [
+        [
+          {
+            "node": "SIGNL4",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  }
+}