Homepage: rewrite deploy

Prepare for two-step deploy:
- local build and fix local tag
- deploy to remote server

playbook-homepage-registry.yml

@@ -0,0 +1,21 @@
+---
+- name: "Upload local homepage images to registry"
+  hosts: all
+  gather_facts: no
+
+  vars_files:
+    - vars/ports.yml
+    - vars/secrets.yml
+    - vars/homepage.yml
+    - vars/homepage.images.yml
+
+  tasks:
+
+    - name: "Push web service image to remote registry"
+      community.docker.docker_image:
+        state: present
+        source: local
+        name: "{{ homepage_nginx_image }}"
+        repository: "{{ registry_homepage_nginx_image }}"
+        push: true
+      delegate_to: 127.0.0.1