https://www.nexusmods.com/pokemonswordandshield/mods/2?tab=description

navigate out of the sdcard/atmosphere/contents/<title_id> directory to the atmosphere directory and place the config folder there
put the contents of pkmn-sword-no-bag in the atmosphere/ folder, several folders up from the ryujinx atmosphere mods directory for pokemon shield

https://github.com/lincoln-lm/swsh-mods-exl

swsh-mods-exl goes in the atmosphere mods directory
then, navigate out of the sdcard/atmosphere/contents/<title_id> directory to the sdcard directory and place the config folder there
edit that config.toml to configure it

to enable freelook everywhere, set the following:
[camera_tweaks]
active = true

and

[freecam]
active = true
always_use_extended_camera = true

R+A will detach the camera (poorly) from the character
press R+A again to re-attach it