Please Support PlantUML and D2

[thiner]

Feature request

Summary

PlantUML is an open source project for Diagram-as-code. It can generate popular UML diagrams by coding. D2 is a similar project.

https://plantuml.com/sequence-diagram
https://d2lang.com/tour/sequence-diagrams/

Examples

PlantUML Sequence Diagram

@startuml
participant User

User -> A: DoWork
activate A

A -> B: << createRequest >>
activate B

B -> C: DoWork
activate C
C --> B: WorkDone
destroy C

B --> A: RequestCreated
deactivate B

A -> User: Done
deactivate A

@enduml

D2 Sequence Diagram

shape: sequence_diagram
alice -> bob
bob."In the eyes of my dog, I'm a man."
# Notes can go into groups, too
important insight: {
  bob."Cold hands, no gloves."
}
bob -> alice: Chocolate chip.