Address PR review feedback for Phase 3 tutorials

Tutorial changes:
- Replace what-is-blumeops with adding-a-service tutorial
- Update ai-assistance-guide with Mise Tasks table
- Update contributing with tooling setup, target revisions, DNS preview
- Remove AI-only sections from contributing and exploring-the-docs
- Add replicator explanation to exploring-the-docs
- Add pre-commit link validation note
- Add Core Services phase to replication roadmap
- Add docs service to services list in replicating-blumeops

New reference cards:
- docs.md - Quartz documentation service
- tailscale-operator.md - Kubernetes ingress operator
- ansible/roles.md - Available ansible roles

Other updates:
- Add mise to Brewfile
- Update docs/index.md to link to exploring-the-docs
- Add notes to update exploring-the-docs in future phases
- Link tailscale-operator from apps.md

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/reference/services/docs.md

@@ -0,0 +1,49 @@
+---
+title: docs
+tags:
+  - service
+  - documentation
+---
+
+# Docs (Quartz)
+
+Documentation site built with [Quartz](https://quartz.jzhao.xyz/) and served via nginx.
+
+## Quick Reference
+
+| Property | Value |
+|----------|-------|
+| **URL** | https://docs.ops.eblu.me |
+| **Namespace** | `docs` |
+| **Container** | `registry.ops.eblu.me/blumeops/quartz:v1.0.0` |
+| **Source** | `docs/` directory in blumeops repo |
+| **Build** | Forgejo workflow `build-blumeops.yaml` |
+
+## Architecture
+
+1. **Source**: Markdown files in `docs/` with Obsidian-compatible wiki-links
+2. **Build**: Forgejo workflow builds Quartz static site on push to main
+3. **Release**: Built assets published as Forgejo release attachments
+4. **Deploy**: Container downloads release bundle on startup, serves via nginx
+
+## Release Process
+
+Documentation is automatically built and released when changes are pushed to main:
+
+1. Workflow detects changes in `docs/` directory
+2. Quartz builds static HTML/CSS/JS
+3. Assets uploaded as release attachment
+4. ArgoCD deployment updated with new `DOCS_RELEASE_URL`
+5. Pod restarts and downloads new bundle
+
+## Configuration
+
+- **Quartz config**: `quartz.config.ts`
+- **Layout**: `quartz.layout.ts`
+- **ArgoCD app**: `argocd/apps/docs.yaml`
+- **Manifests**: `argocd/manifests/docs/`
+
+## Related
+
+- [[argocd]] - Deployment management
+- [[forgejo]] - Build workflows