~eliasnaur/gio-example

ref: 1ad8d13d0f99c508d3a2528dfe349f3313acc7c5 gio-example/glfw d---------
glfw,go.*: update Gio version

Signed-off-by: Elias Naur <mail@eliasnaur.com>
glfw: handle window content scale correctly

Signed-off-by: Elias Naur <mail@eliasnaur.com>
glfw: select OpenGL 3.3 core profile

Otherwise, macOS will give us an old 2.1 compatible profile.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
all: initial import

Copied from the example directory of https://git.sr.ht/~eliasnaur/gio.

Signed-off-by: Elias Naur <mail@eliasnaur.com>