Add .gitignore based on OLM

[dinhxuanvu]

Ignore several macOS specific files

Signed-off-by: Vu Dinh vdinh@redhat.com

Description of the change:

Motivation for the change:

Reviewer Checklist

• Implementation matches the proposed design, or proposal is updated to match implementation
• Sufficient unit test coverage
• Sufficient end-to-end test coverage
• Docs updated or added to /docs
• Commit messages sensible and descriptive

[jpeeler]

This is based on https://github.com/operator-framework/operator-lifecycle-manager/blob/8b659247a266f35989c8eef074cdae381cd0bb14/.gitignore, the only difference being the bin directory.

/lgtm

[openshift-ci-robot]

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