Update pull_request_template.md

Author: sergeysova

.github/pull_request_template.md

@@ -20,7 +20,8 @@ chore/22-add-release-drafter
 ### PullRequest
 
 - [ ] This PullRequest implements new feature, fix bug, or some other changes
-- [ ] If PR is not ready mark it as Draft
+- [ ] If PR is not ready mark it as Draft, press "Ready to review" before assigning reviewer
+- [ ] Link PullRequest with issue (`re #123` just to link, `closes #123` or `fixes #123` to close)
 - [ ] All commits in this PR should be created by `yarn commit` by [conventional-commits](https://www.conventionalcommits.org/en/v1.0.0/)
 
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