First of all, this repository contains submodules. Ensure they are updated before installing.
Make sure to have Git installed.
$ git clone --recurse-submodules https://github.com/hossainrizbi/termux.git ~/dotfiles
$ cd dotfiles && git submodule update --remote --merge
Now you can manually move them to config location or use rsync
$ rsync --recursive --verbose --exclude=.git* ~/dotfiles/ $HOME/