data each for yml file matrix

datas.yml

main:
  - label: Femme
    css_class: m-menu--item-main
    submenu:
      - entry: Modèle
        categories:
        - data: "Ballerines et babies"
        - data: "Mules & sabots"
        - data: "Sandales et nu-pieds"
        - data: "Chaussons"
      - entry: Marque
        categories:
        - data: "AirStep"
        - data: "Chie Mihara"
        - data: "Couleur pourpre"
        - data: "Donna Piu"
        - data: "Felmini"
      - entry: Univers
        categories:
        - data: 'Bouts pointus'
        - data: 'Chaussures à plateau'

view.slim

- data.menu.main.each do |item|
  - if item.label == 'Femme'
    - if item['submenu'].present?
      div class="m-submenu-complex m-menu--femme"
        .row.collapse
          - item['submenu'].each do |subitem|
            .small-3.columns
              p.l-title = subitem.entry
              - if subitem['categories'].present?
                ul
                  - subitem['categories'].each do |category|
                    li
                      = link_to category.data, '#'