[COMMUNITY] Add .gitignore
[COMMUNITY] Add .gitignore

Signed-off-by: Ronan Le Martret <18c24d1e59fd6c0a745b9d66ccd59271e1af72fe@iot.bzh>

igel-oss/meta-renesas-rcar-gen3,igel-oss/meta-renesas-rcar-gen3,igel-oss/meta-renesas-rcar-gen3