docs: add SECURITY.md

[dhmlau]

Signed-off-by: Diana Lau dhmlau@ca.ibm.com

Using https://github.com/loopbackio/loopback-next/blob/master/SECURITY.md as a reference.

Related to loopbackio/loopback-governance#24

Checklist

• DCO (Developer Certificate of Origin) signed in all commits
• npm test passes on your machine
• New tests added or existing tests modified to cover all changes
• Code conforms with the style guide
• Commit messages are following our guidelines

[coveralls]

Pull Request Test Coverage Report for Build 2058786462

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 81.538%

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Totals
Change from base Build 2041873228:	0.0%
Covered Lines:	903
Relevant Lines:	1045

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💛 - Coveralls