- The previous README still mentions meta-oniro-blueprints which is a leftover from the old blueprints structure. Updating it with more up to date information and adding link to the doorlock blueprint documentation.
- changing license to Creative Commons for README

Relate-to: https://gitlab.eclipse.org/eclipse/oniro-blueprints/vending-machine/meta-oniro-blueprints-vending-machine/-/issues/4

Signed-off-by: Francesco Pham <francesco.pham@huawei.com>