Mermaid Direction Reminder

Use TD or TB for vertical flow and LR for horizontal flow.

Vertical example

flowchart TD
  A[Start] --> B[Middle]
  B --> C[End]
flowchart TD A[Start] --> B[Middle] B --> C[End]

Horizontal example

flowchart LR
  A[Start] --> B[Middle]
  B --> C[End]
flowchart LR A[Start] --> B[Middle] B --> C[End]