feat(Citrix ADC): add Citrix ADC node (#4274)

* ✨ Citrix ADC node

* 🐛 Fix typo in codex file

* ⚡ Remove trailing slash if there is one

* ⚡ Add certificate resource

* 🐛 Fix merge conflict issue

packages/nodes-base/nodes/Citrix/ADC/CitrixAdc.node.json

@@ -0,0 +1,18 @@
+{
+	"node": "n8n-nodes-base.citrixAdc",
+	"nodeVersion": "1.0",
+	"codexVersion": "1.0",
+	"categories": ["Development"],
+	"resources": {
+		"credentialDocumentation": [
+			{
+				"url": "https://docs.n8n.io/credentials/citrixAdc"
+			}
+		],
+		"primaryDocumentation": [
+			{
+				"url": "https://docs.n8n.io/nodes/n8n-nodes-base.citrixAdc/"
+			}
+		]
+	}
+}