v4.0.2

Update runtime_ima.rst

1. Update the url of create_allowlist.sh
2. Update the usage of create_allowlist.sh

Signed-off-by: Coiby Xu <[email protected]>

v4.0.1

Rename CONTRIBUTORS.md to CONTRIBUTING.md

In line with github recommendations. Also helps differentiate people
(maintainers) and a process (contributing).

Update README.md to match.

Signed-off-by: axel simon <[email protected]>