Expand homepage widgets and info panels (#81)
## Summary
- Add greeting and datetime info widgets to homepage header
- Add Miniflux widget showing unread/read counts (via existing API key in 1Password)
- Add Grafana widget showing dashboards/datasources/alerts (via existing credentials in 1Password)
- Add ArgoCD to bookmarks section
- Add TODO comments for widgets needing additional setup (Forgejo, Caddy, UniFi, Glances, Navidrome, Transmission, Immich)
## Deployment and Testing
- [ ] Sync homepage app to deploy new ExternalSecrets
- [ ] Verify greeting and datetime appear in header
- [ ] Verify Miniflux widget shows unread/read counts
- [ ] Verify Grafana widget shows dashboard stats
- [ ] Check that services without credentials still display (just without widgets)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/81
Erich Blume
4d97ac4c26