Add support of mindmaps and timelines

[cmdntd]

This needs upgrade to able to use new mermaid js features.
I have the same issue:

Mermaid JS Plugin

In flow chart, some text does not display in right format Speacially when you need in `` for format: "`The **cat** in the hat`" [Cấu trúc tuyển dụng nhân sự wo24 - Core _ System - Working24] Everything just ok at mermaid.live This is test for this sample: flowchart LR subgraph "One" a("`The **cat** in the hat`") -- "edge label" --> b{{"`The **dog** in the hog`"}} end subgraph "`**Two**`" c("`The **cat** in the hat`") -- "`Bold **edge label**`" --> d("The dog in the hog") end Fro…