Pandoc + PlantUML + Chinese

[gujunhk]

It seems that Chinese characters won't be rendered with PlantUML & Pandoc.

1. Markdown Code:

   ---
   output: word_document
   ---
   ```puml
   @startuml
   这里 -> 那里: 路过
   @enduml
   ```
   

2. Screenshot:

3. Environment: OS: macOS Big Sur(11.5.2 20G95) VSCode: 1.59.1 MPE: v0.6.0 JDK: Oracle JDK 1.8.0_231 PlantUML(VSCode Plugin): v2.15.1

[drewzhao]

In case anyone is look for a solution: https://gist.github.com/drewzhao/4a2da39d4618839a1459dddc08e86438