~/test $ termux-apt-repo . repo stable main -s
Adding deb file: qt-creator_4.12.4-6_aarch64.deb...
Creating package file for main and aarch64...
Signing with gpg...
Done!

Make the repo directory accessible at $REPO_URL

Users can then access the repo by adding a file at
   $PREFIX/etc/apt/sources.list.d
containing:
   deb [trusted=yes] $REPO_URL stable main

[trusted=yes] is not needed if the repo has been signed with a gpg key
~/test $ head -n 8 repo/dists/stable/Release
Codename: termux
Version: 1
Architectures: aarch64
Description: stable repository
Suite: stable
Date: Sun, 25 Dec 2022 14:15:35 UTC
Components: main
MD5Sum:
~/test $