AHOC feat (installation): let indexer run

it is important to run magento indexer upon installation, cause it fills
index tables with initial data, it also fills elasticsearch on the first run.

Without running indexer magento is not fully operational after first deploy.

tasks/installation.yml

@@ -211,6 +211,11 @@
   become_user: "{{ magento_user }}"
   command: "/usr/bin/php {{ magento_app_root }}/bin/magento cache:flush"
 
+- name: "Let Magento indexer run"
+  become: "yes"
+  become_user: "{{ magento_user }}"
+  command: "/usr/bin/php {{ magento_app_root }}/bin/magento indexer:reindex"
+
 - name: "Disable maintenance mode"
   file:
     path: "{{ magento_release_folder }}/{{ magento_release_version }}/var/.maintenance.flag"