Use kwargs
Use kwargs

Use kwargs to prevent [bug in Mermaid](https://github.com/knsv/mermaid/issues/207).
piranna/gitbook-plugin-mermaid,piranna/gitbook-plugin-plotly,piranna/gitbook-plugin-plotly,piranna/gitbook-plugin-mermaid,JozoVilcek/gitbook-plugin-mermaid,JozoVilcek/gitbook-plugin-mermaid