Add link to search for open and closed issues
Make it ever so slightly easier for users to comply with bug reporting procedure
## Please make sure that you have checked the boxes:
- [ ] Review the [Quickstart guide](quickstart.md)
-- [ ] Search for both open and closed issues regarding the problem you are experiencing
+- [ ] [Search for both open and closed issues](https://github.com/Netflix/security_monkey/issues?&q=is%3Aissue+) regarding the problem you are experiencing
- [ ] **For permissions issues** (Access Denied and credential related errors), please refer to the requisite docs before submitting an issue:
[AWS](iam_aws.md), [GCP](iam_gcp.md), [OpenStack](iam_openstack.md), [GitHub](github_setup.md#access-keys-and-permissions)
