feat: add ollama and searxng, migrate to debyl.io hostname

- Add ollama role for local LLM inference (install, service, models)
- Add searxng container for private search
- Migrate hostname from home.bdebyl.net to home.debyl.io
  (inventory, awsddns, zomboid entrypoint, home_server_name)
- Update vault with new secrets

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

ansible/roles/podman/defaults/main.yml

@@ -8,6 +8,7 @@ debyltech_path: "{{ podman_volumes }}/debyltech"
 factorio_path: "{{ podman_volumes }}/factorio"
 fulfillr_path: "{{ podman_volumes }}/fulfillr"
 gregtime_path: "{{ podman_volumes }}/gregtime"
+searxng_path: "{{ podman_volumes }}/searxng"
 hass_path: "{{ podman_volumes }}/hass"
 # nginx_path: removed - nginx no longer used
 # nosql_path: removed - nosql/redis no longer used
@@ -77,7 +78,7 @@ bookstack_server_name: wiki.skudakrennsport.com
 cloud_server_name: cloud.bdebyl.net
 cloud_skudak_server_name: cloud.skudakrennsport.com
 fulfillr_server_name: fulfillr.debyltech.com
-home_server_name: home.bdebyl.net
+home_server_name: home.debyl.io
 uptime_kuma_server_name: uptime.debyltech.com
 uptime_kuma_personal_server_name: uptime.debyl.io
 parts_server_name: parts.bdebyl.net