Register dta_blog for node-static deploy (closes #29)

Catalog + host_apps on all webservers (prod 8086 / beta 8087) with webroots
under /var/www/{env}.blog.realpath.app/html. Nginx serves the SSG 404 page
instead of SPA index fallback.

inventory/host_vars/starbuck.yml

@@ -7,6 +7,8 @@ host_apps:
   - { name: dta_service, env: beta, port: 8011 }
   - { name: dta_webapp, env: prod, port: 8080 }
   - { name: dta_webapp, env: beta, port: 8081 }
+  - { name: dta_blog, env: prod, port: 8086 }
+  - { name: dta_blog, env: beta, port: 8087 }
   - { name: scha, env: prod, port: 8002 }
   # optional: - { name: scha, env: beta, port: 8012 }
   - { name: chat_web_app, env: prod, port: 8082 }