Phase 1b: Deploy docs hosting with Quartz (#85)

## Summary
- Add ArgoCD Application and manifests for `quartz` service
- Add `docs.ops.eblu.me` to Caddy reverse proxy configuration
- ConfigMap points to blumeops v1.0.0 release tarball
- Tailscale ingress with homepage annotations for auto-discovery

## Deployment and Testing

**Pre-deployment (container build):**
- [ ] Build and tag quartz container: `mise run container-tag-and-release quartz v1.0.0`

**K8s deployment:**
- [ ] Sync apps: `argocd app sync apps`
- [ ] Point quartz at feature branch: `argocd app set quartz --revision feature/docs-phase-1b-hosting`
- [ ] Sync quartz: `argocd app sync quartz`
- [ ] Verify pod is running: `kubectl --context=minikube-indri get pods -n quartz`
- [ ] Verify Tailscale ingress: `kubectl --context=minikube-indri get ingress -n quartz`

**Caddy deployment:**
- [ ] Dry run: `mise run provision-indri -- --tags caddy --check --diff`
- [ ] Apply: `mise run provision-indri -- --tags caddy`

**Verification:**
- [ ] Test https://docs.tail8d86e.ts.net
- [ ] Test https://docs.ops.eblu.me
- [ ] Verify homepage dashboard shows docs link

**Post-merge:**
- [ ] Reset to main: `argocd app set quartz --revision main && argocd app sync quartz`

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/85

containers/quartz/default.conf

@@ -0,0 +1,28 @@
+server {
+    listen 80;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Enable gzip compression
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript;
+
+    # Cache static assets
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # SPA fallback - serve index.html for client-side routing
+    location / {
+        try_files $uri $uri/ $uri.html /index.html;
+    }
+
+    # Health check endpoint
+    location /healthz {
+        access_log off;
+        return 200 "ok\n";
+        add_header Content-Type text/plain;
+    }
+}