~eliasnaur/gio-example

ref: 8a3a65c8c0340253beaba1c2e5687a000fa74789 gio-example/life d---------
life: make cell size display density independent

Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
life: add game of life

Signed-off-by: Egon Elbre <egonelbre@gmail.com>