Remove unmaintained projects

[jmattheis]

We should clean up projects that are archived / unmaintained.

[cyb3rko]

I can take a look. What do we classify as "unmaintained"?
Last commit age > 3 years / 5 years?

[jmattheis]

Good question, we probably can move unmaintained projects into a separate section which is under a <details> so by default hidden.

Generally archived = unmaintained.

Plugins are unmaintained when they don't have a release for the latest gotify/server version.

Libraries are probably unmaintained if they have critical bugs that aren't resolved. The api from gotify/server didn't have breaking changes for years, so they probably don't need much to be usable.

Tools/applications are unmaintained if they have critical bugs that aren't resolved. Scripts are likely not updated frequently, so it probably doesn't matter if they aren't updated frequently. For bigger apps we can probably use your proposed > 3y commit age.

[cyb3rko]

I just checked, there's only one archived project.
For the other older projects I can not judge if they still work or not without setting them all up, sorry.