feat: add mac address support to qemu run command

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>

pkg/qemu/config.go

@@ -51,6 +51,7 @@ type config struct {
 	qemuImgPath    string
 	publishedPorts []PublishedPort
 	netdevConfig   string
+	mac            string
 
 	stdin  io.Reader
 	stdout io.Writer
@@ -129,6 +130,12 @@ func WithPublishedPorts(ports ...PublishedPort) Option {
 	}
 }
 
+func WithMAC(mac string) Option {
+	return func(c *config) {
+		c.mac = mac
+	}
+}
+
 func WithStdin(r io.Reader) Option {
 	return func(c *config) {
 		c.stdin = r