chore: add pr commands to pr template [skip-ci] (#44)

.github/PULL_REQUEST_TEMPLATE.md

@@ -11,3 +11,13 @@ Describe the changes and motivations for the pull request, unless evident from t
 ### Development checks
 
 - [ ] Add changeset according to [guidelines](https://github.com/toptal/davinci-github-actions/blob/master/_docs/contribution/changeset-guidelines.md) (if needed)
+
+<details>
+<summary>PR commands</summary>
+<br />
+
+List of available commands:
+
+- `@toptal-anvil ping reviewers` - Ping FX team for review
+
+</details>