Add ollama.ops.eblu.me to Caddy reverse proxy

Proxies to the Tailscale ingress at ollama.tail8d86e.ts.net.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ansible/roles/caddy/defaults/main.yml

@@ -85,6 +85,9 @@ caddy_services:
   - name: ntfy
     host: "ntfy.{{ caddy_domain }}"
     backend: "https://ntfy.tail8d86e.ts.net"
+  - name: ollama
+    host: "ollama.{{ caddy_domain }}"
+    backend: "https://ollama.tail8d86e.ts.net"
   - name: sifaka
     host: "nas.{{ caddy_domain }}"
     backend: "http://sifaka:5000"