Support for md tables

[sschneider-ihre-pvs]

I haven't found any information about that so since the yaml is turned into md, it would be great for something like tables to show up. One step further could be something like mermaid ;)

[chrissimon-au]

Markdown tables definitely can show up, depending on the IDE support. e.g. the following

contexts:
  - name: Tables
    terms:
      - name: Table
        definition: |
          A table:

          | Heading 1 | Heading 2 | Heading 3 | 
          | :-------- | :-------: | --------: |
          | R1V1      | R1V2      | R1V3      |
          | R2V1      | R2V2      | R2V3      |

Renders like so in VsCode:

And like so in IntelliJ (no support for cell alignment):

Mermaid is a different matter, as it's very unlikely the IDE markdown renderers would support it, so we'd have to prerender it and replace it with a markdown image tag - agree it would be cool, but not likely to tackle that any time soon, as it also needs consideration for text IDEs that wouldn't display an image either, like neovim etc.