~eliasnaur/gio-example

ref: d78c5d125ea7378380ef01b1448c8adf9f022d32 gio-example/.builds d---------
.builds: upgrade to Go 1.16

Examples aren't bound by compatibility requirements, and we're about to
add an example that uses Go 1.16 features.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
.builds: clarify missing sign-off error

Signed-off-by: Elias Naur <mail@eliasnaur.com>
ci: configure mirroring SSH key

Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
ci: configure automatic mirroring to GitHub

Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
.builds: add builder

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