Add Members to Admin Team

### Overview
We need to add more people doing workflow modeling and reviewing so that we can have end to end guides for all admin practices.

### Action Items
- [ ] Check to see if there is an open roles board
- [ ] If not, create an open roles board
- [ ] Create an issue for recruiting each role type
- [ ] Draft roles
- [ ] Post roles on board
- [ ] Message on Slack
- [ ] Add Admin to Community of Practice website - HackforLA.org

### Resources/Instructions
[Community of Practice](https://www.hackforla.org/communities-of-practice)
[Admin FAQ](https://docs.google.com/document/d/1vgLsPrGY_P6UlJeaoBw47Om2drmzqH0BT1XmRruIcUk/edit)
[Recruitment Messaging](https://docs.google.com/document/d/1YgWQq4-Mp-olReyEyDQKPTsHNbKOPevErVIS0PmIyLg/edit)

Start by reviewing the Community of Practice page, Admin FAQ, and Recruitment Messaging document linked in the issue. Confirm the open roles board, role-specific recruiting issues, Slack outreach, and Admin listing are all addressed; the checklist is complete when each action item is checked off.

索引モデルが issue の本文から書いたものです。