TWE: Revise onboarding off-boarding issues to include self-offboarding steps

### Overview
This is an issue to update the onboarding and offboarding issues with a revised set of action items so that the person being offboarded can do some of the steps themselves and then put the issue into Questions column

### Action Items

- [ ] Review current offboarding template
- [ ] Separate into stuff the lead has to do, and the participant can do, putting participant activities first
- [ ] adding an instruction for participant to move it to questions once the participant is done self offboarding
- [ ] include instructions from the below copy block

```
- [ ] Review the issues you are assigned to and make sure you have left all relevant information, links, etc in the issue
- [ ] Hide any update reminders (by clicking the three dots on top of the comment and choosing hide. Reason is outdated)
- [ ] Leave comments with questions you may have
- [ ] Review the issues with your lead, to determine if they have question
- [ ] The lead will remove assignee
- [ ] Move issue to new issue approval column
- [ ] Add draft label if issue needs to be rewritten to include text or context from columns and comments
- [ ] Add the appropriate ready for label
```

### Resources
- Onboarding TWE Team Volunteers https://github.com/hackforla/internship/issues/296
- Onboard & Offboard Team Members https://github.com/hackforla/internship/issues/153
- Onboard & Offboard UI/UX Lead https://github.com/hackforla/internship/issues/124
- Onboard & Offboard Product https://github.com/hackforla/internship/issues/123