[Development] Proposal: let's use Markdown for the dist/changes changelog

[Tor Arne Vestbø]

> On 3 Nov 2020, at 10:52, Richard Gustavsen <Richard.Gustavsen at qt.io> wrote:
> 
> Would it be better if we required all commits to have a ChangeLog entry, so that no one
> forgets? And if your commit shouldn't be in the log, you need to state that explicitly, e.g: [NoChangeLog]

No, that would just add noice to the git log. The commit message template should already have
a reminder to add a changelog entry _if applicable_.

Tor Arne