A month ago i installed Arch following this guide - Link!

I went with the Gnome desktop. It was a world of pain and learnings :)

First thing i needed to do was swapping Caps Lock and Escape.
For that i went with sudo pacman -S gnome-tweaks

Then i needed to ditch the usb for my keyboard so bluetooth drivers were needed:
sudo pacman -S bluez bluez-utils gnome-bluetooth pipewire-pulse
Then enabled:
sudo systemctl enable bluetooth.service # Enable the service to start on boot
sudo systemctl start bluetooth.service # Start the service immediately

Great!