Mediawiki Extension Mermaid

Extension to generate graphs by code.

https://github.com/SemanticMediaWiki/Mermaid/blob/master/README.md

erDiagram

   CAR ||--o{ NAMED-DRIVER : allows
   CAR {
       string registrationNumber
       string make
       string model
   }
   PERSON ||--o{ NAMED-DRIVER : is
   PERSON {
       string firstName
       string lastName
       int age
   }

}}