Clean up old issues

[Metrix1010]

• [x] Close PriCon2020 issues with no one assigned- old and stale
• [x] Lable assigned PriCon2020 issues stale and request status updates
• [x] Issues older than 2 years, request a status update from the assignee by a specific date (deadline)
• [x] Follow up on deadline and close/delete
• [x] Filter Ghost Drafts older than 2yrs & ask for [WIP] or [DEL] preface
• [x] Delete old issues with no response by the above deadline
• [ ] Add new issue ideas
• [ ] Create a form for non-tech folks to add ideas - include how to GitHub