Finally found the correct bluetooth configuration to let my bluetooth keyboard connect at login.
This allows me to use it on the login screen to enter my password in Manjaro Linux.
If you're suddenly presented with a different login screen, and can't login to your manjaro installation, here is how you can solve the issue.
Found a way to easily connect and disconnect from a network in Manjaro.
The solution is having separate connections for your Wireguard VPN or Pi-hole instance, alongside your usual network you connect to.
A few months ago I requested a data export from my former google account.
Especially containing emails and contacts saved in my account.
Received a 3GB zip file containing a 10GB mbox file.
This is how I managed to read it, either in the terminal (mutt) or with Thunderbird.