doc: add info about syncrhonizing views

docs/source/installation/index.rst

@@ -151,6 +151,7 @@ This script will :
 
    # mount into to container
    ./docker-php.sh
+   bin/console chill:db:sync-views
    # and load fixtures
    bin/console doctrine:migrations:migrate
 
@@ -161,7 +162,7 @@ Chill will be available at ``http://localhost:8001.`` Currently, there isn't any
 
    # mount into to container
    ./docker-php.sh
-   # and load fixtures
+   # and load fixtures (do not this for production)
    bin/console doctrine:fixtures:load --purge-with-truncate
 
 There are several users available:
@@ -204,8 +205,10 @@ How to create the database schema (= run migrations) ?
    # if a container is running
    ./docker-php.sh
    bin/console doctrine:migrations:migrate
+   bin/console chill:db:sync-views
    # if not
    docker-compose run --user $(id -u) php bin/console doctrine:migrations:migrate
+   docker-compose run --user $(id -u) php bin/console chill:db:sync-views
 
 
 How to read the email sent by the program ?
@@ -236,6 +239,23 @@ How to open a terminal in the project
    # if not
    docker-compose run --user $(id -u) php /bin/bash
 
+How to run cron-jobs ?
+======================
+
+Some command must be executed in :ref:`cron jobs <cronjob>`. To execute them:
+
+.. code-block:: bash
+
+   # if a container is running
+   ./docker-php.sh
+   bin/console chill:cron-job:execute
+   # some of them are executed only during the night. So, we have to force the execution during the day:
+   bin/console chill:cron-job:execute 'name-of-the-cron'
+   # if not
+   docker-compose run --user $(id -u) php bin/console chill:cron-job:execute
+   # some of them are executed only during the night. So, we have to force the execution during the day:
+   docker-compose run --user $(id -u) php bin/console chill:cron-job:execute 'name-of-the-cron'
+
 How to run composer ?
 =====================