thecore 1.7.1
Start from here and build whatever you want to.
          Gemfile:
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          instalar:
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      Runtime Dependencies (22):
            bootstrap-sass
            ~> 3.4
          
          
            cancancan
            ~> 2.0
          
          
            ckeditor
            ~> 4.2
          
          
            date_validator
            ~> 0.9
          
          
            devise
            ~> 4.2
          
          
            devise-i18n
            ~> 1.5
          
          
            http_accept_language
            ~> 2.1
          
          
            kaminari
            ~> 1.0
          
          
            mini_magick
            ~> 4.9
          
          
            multi_json
            ~> 1.11
          
          
            oj
            ~> 3.3
          
          
            pg
            ~> 0.20
          
          
            rails
            ~> 5.1
          
          
            rails_admin
            ~> 2.0
          
          
            rails_admin-i18n
            ~> 1.11
          
          
            rails_admin_rollincode
            ~> 1.2
          
          
            rails_admin_toggleable
            ~> 0.7
          
          
            rails-i18n
            ~> 5.0
          
          
            sassc-rails
            ~> 2.0
          
          
            serviceworker-rails
            ~> 0.5
          
          
            webpacker
            ~> 3.5
          
          
            wysiwyg-rails
            ~> 2.8
          
    