Add Ideogram Director demo link to README

Co-authored-by: Codex <noreply@openai.com>

Author: Deno2026

README.md

@@ -37,6 +37,8 @@ This is different from ComfyUI Subgraph. Subgraph moves nodes into a child graph
 
 ### `(Deno) Ideogram Director`
 
+[Watch the long-form workflow demo](https://youtu.be/Z8s27skkIDM)
+
 Visual Ideogram 4 prompt builder for structured JSON captions and bbox layout work.
 
 ![Deno Ideogram Director](docs/images/ideogram-director.png)

docs/README.ko.md

@@ -31,6 +31,8 @@ ComfyUI Subgraph는 노드를 하위 그래프로 이동시키는 기능입니
 
 ### `(Deno) Ideogram Director`
 
+[롱폼 워크플로우 소개 영상](https://youtu.be/Z8s27skkIDM)
+
 Ideogram 4용 구조화 JSON 프롬프트와 bbox 배치를 ComfyUI 캔버스 안에서 편집하는 시각형 프롬프트 빌더입니다.
 
 ![Deno Ideogram Director](images/ideogram-director.png)