steps to install and use

run the shell script to install any application present in the repo like:

sudo addRepo.sh 

you can get the shell script like:

wget https://raw.githubusercontent.com/openaia/bullseye/main/addRepo.sh
before running the script we need to set the priority this is optinal if you want to prefer this repo packages over others.
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sudo vi /etc/apt/preferences.d/openaia.pref

then add

Package: *
Pin: origin "openaia.github.io"
Pin-Priority: 700

then update using

sudo apt update

to check install a available..

sudo apt install blueman