Obtain OpenSSF Best Practices Badge

### Background
- Goal is to improve community trust
- Links
- https://www.bestpractices.dev/en
- https://scorecard.dev/
- https://github.com/LF-Decentralized-Trust/governance/blob/main/tac/project-updates/2025/2025-annual-Identus.md

### DoD (Definition of Done)
- achieve a Passing Level as defined at https://www.bestpractices.dev/en/criteria_stats
- this will be achieved across all 7 repos as shown at the OpenSSF Badge Tracker `URL private`

### Implementation hints/details
- Allain guesstimates ~40 person-days of work to complete all of this
- ...