feat: add support for mermaid diagrams (#244)

Brendan Ang

2022-11-27 5f3d4306997e87437b4c9de97aa9eed355133965

 .prettierrc

@@ -2,5 +2,6 @@
  "printWidth": 100,
  "quoteProps": "as-needed",
  "trailingComma": "all",
  "tabWidth": 2
  "tabWidth": 2,
  "semi": false
}