privacy of processes (public/private)

### Overview
We need to add a flag on each process we model so that we know who the guide is for and store appropriately

### Action Items
- [ ] add privacy flag to each issue
- [ ] Mark the following issues as private
- [ ] miro
- [ ] figma
- [ ] meetup
- [ ] update template to include flag
- [ ] Figure out where private guides are stored

### Resources/Instructions
https://github.com/hackforla/admin/blob/main/.github/ISSUE_TEMPLATE/workflow-modeling---name-of-technology-here-.md

Start by reading .github/ISSUE_TEMPLATE/workflow-modeling---name-of-technology-here-.md and reviewing the miro, figma, and meetup items named in the issue. Clarify how the privacy flag should be stored and where private guides belong; done means the template, listed issues, and storage approach reflect the agreed privacy handling.

Scritto dal modello di indicizzazione a partire dal testo della issue.