Mermaid test

Mermaid test

With layout: dagre

graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;

With layout: elk

---
config:
  layout: elk
---
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;

---
config:
  layout: elk
---
erDiagram
    CUSTOMER ||--o{ ORDER : places
    ORDER ||--|{ LINE-ITEM : contains
    CUSTOMER }|..|{ DELIVERY-ADDRESS : uses