Add bootstrap and jquery
add some images and icons

    - Add some images and icons into public/admin/images
    - Replace some icons in admin folder
add controller base and it's layout

Application: Techcomm::App
    URL                REQUEST  PATH
        (:base, :index)      GET    /
        (:base, :lang)       GET    /lang
add i18n translation file
modify this image
remove google font-api