Add n8n community node, /api/v1/render alias, and job webhooks for OSS automation.

Payment-free self-hosted builds keep full API access with optional webhookUrl callbacks and the published n8n-nodes-songs2vid package source under integrations/n8n.

integrations/n8n/gulpfile.js

@@ -0,0 +1,14 @@
+const { src, dest } = require("gulp");
+
+/**
+ * Copy node/credential icons (+ codex JSON) into dist so n8n can resolve
+ * `icon: "file:songs2vid.svg"` next to the compiled .js files.
+ */
+function copyIcons() {
+  return src(
+    ["nodes/**/*.{png,svg,json}", "credentials/**/*.{png,svg,json}"],
+    { base: "." },
+  ).pipe(dest("dist"));
+}
+
+exports["build:icons"] = copyIcons;