Closes #1236

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Co-authored-by: Jed Fox <git@jedfox.com>

Co-authored-by: Jed Fox <git@jedfox.com>

As discussed in #1126 creating separate PRs.

The linter rule isn't actually part of this first PR and will likely be
in the final PR as otherwise it will just fail because all the issues
aren't resolved.

The code is 'ready' though so as soon as this is merged I will open next
one(s)

Fixes #1021

Seems to build fine, will test later.

This implements a simple indicator showing the user if the currently
used version is outdated by utilising GitHub tags to track the latest
version.
Closes #463

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Co-authored-by: Jed Fox <git@jedfox.com>