Fixes MR web preview links.

Lars Bilke authored 4 years ago and Dmitri Naumov committed 4 years ago

Mainly:

- syntax hint for fenced code blocks
- Alt text for images
- Header mismatches

Lars Bilke authored 4 years ago and Dmitri Naumov committed 4 years ago

https://github.com/igorshubovych/markdownlint-cli

```bash
markdownlint -f -i releases **/*.pandoc **/*.md
```

Did not work when specified after the [menu]-entry.

- Rename documentation files and add docu.

Fixes #2791.

Remove the command line argument descriptions, which
are available through the tool's help.

"Create a simple parallel model"