Outputs svg format with custom server
.
```plantuml
Bob -> Alice : hello
```
.
<img src="https://www.plantuml.com/plantuml/svg/SoWkIImgAStDuNBAJrBGjLDmpCbCJbMmKiX8pSd9vt98pKi1IW80" alt="uml diagram">
.