Quick note on the URL: there’s an easy way to keep those stable. Looking at the one for tool sharpening for example:
https://discourse.southlondonmakerspace.org/t/wood-tool-sharpening-chisels-and-plane-blades/31592
By default notice how the tool page name is in the URL to make it human readable but can change, then it’s followed by the page ID, which does not change. You can actually get rid of the name and make that link non-human readable, but much more stable:
https://discourse.southlondonmakerspace.org/t/31592
If the page name gets changed, that bottom link should keep working.