add a basic build script for testing
add a basic build script for testing

This script can be extended in the future but it uses the containerize
script to ensure we run inside of a working build environment. This
script can be extended to build additional targets for testing.

Signed-off-by: Doug Goldstein <8172f793ca553050868d487fd13b508d19cae503@cardoe.com>

meta-rust/meta-rust,starlab-io/meta-rust,cardoe/meta-rust,jmesmon/meta-rust,meta-rust/meta-rust,meta-rust/meta-rust,meta-rust/meta-rust,jmesmon/meta-rust,starlab-io/meta-rust,cardoe/meta-rust,jmesmon/meta-rust,jmesmon/meta-rust,cardoe/meta-rust,cardoe/meta-rust,meta-rust/meta-rust