README

Add in config/routes/kalitics_manual.yaml

_kalitics_manual:
  resource: '@KaliticsManualBundle/Resources/config/routes.xml'
  prefix: /kalitics/manual/

Add in config/packages/twig.yaml

'%kernel.project_dir%/vendor/kalitics/manual-bundle/src/Resources/views/': KaliticsManual

Add to config/bundle.php

Kalitics\ManualBundle\KaliticsManualBundle::class => ['all' => true]

config/services.yaml

 Kalitics\ManualBundle\Controller\UserDocumentationController:
        class: Kalitics\ManualBundle\Controller\UserDocumentationController
        arguments: ['@kalitics_manual.blog_manager', '@kalitics_manual.blog_render_service', '@router']

Ckeditor

composer require friendsofsymfony/ckeditor-bundle 
php bin/console ckeditor:install
php bin/console assets:install public

config/packages/fos_ckeditor.yaml

Add in form_themes :

twig:
    form_themes:
        - '@FOSCKEditor/Form/ckeditor_widget.html.twig'