Build nano:
============
Get nano at:
http://ftp.gnu.org/gnu/nano/

Install by:
tar -xvf nano*gz
cd nano-x.x
./configure
make -j$(nproc)
sudo make install


Date: February 2023


Update Feb 7th 2024:
If you want to switch to the your build of nano, run:

sudo apt purge nano -y

*It will update the alternatives to vim, to set it back to nano:

sudo update-alternatives --install /usr/bin/editor editor /usr/local/bin/nano 10

sudo update-alternatives --config  editor
    *Input the number matching /usr/local/bin/nano

Your all set!

Source: https://www.baeldung.com/linux/update-alternatives-command