Free Gift With Purchase Shopify Theme Section

cart__gift_with_purchase.liquid

{% if section.settings.show_section %}
  {% include 'cart-gift-with-purchase' %}
{% endif %}

{% schema %}
  {
    "name": "Gift with Purchase",
    "class": "gwp-section",
    "settings": [
    {
      "type": "checkbox",
      "id": "show_section",
      "label": "Show section",
      "default": true
    },
      {
        "type": "color",
        "id": "cart-gwp-background",
        "label": "Background Color",
        "default": "#ffffff"
      },
      {
        "type": "color",
        "id": "cart-gwp-border",
        "label": "Border Color",
        "default": "#ffffff"
      },
      {
        "type": "header",
        "content": "Highest Value Promo"
      },
      {
        "type": "range",
        "id": "top_order_threshold",
        "label": "Order size threshold",
        "min": 10,
        "max": 1000,
        "step": 10,
        "default": 100,
        "unit": "$"
      },
      {
        "type": "product",
        "id": "cart_gwp_product_1",
        "label": "Product 1"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_top_text_1",
        "label": "Main text 1",
        "default": "<p><\/p>"
      },
      {
        "type": "text",
        "id": "cart_gwp_button_1",
        "label": "Button text 1",
        "default": "Add Free Gift"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_bottom_text_1",
        "label": "Bottom text 1",
        "default": "<p><\/p>"
      },
      {
        "type": "header",
        "content": "Second Price Tier"
      },
      {
        "type": "checkbox",
        "id": "second_price_tier",
        "label": "Use 2nd (lower) price tier"
      },
      {
        "type": "range",
        "id": "second_order_threshold",
        "label": "Order size threshold",
        "min": 10,
        "max": 1000,
        "step": 10,
        "default": 100,
        "unit": "$"
      },
      {
        "type": "product",
        "id": "cart_gwp_product_2",
        "label": "Product 2"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_top_text_2",
        "label": "Main text 2",
        "default": "<p><\/p>"
      },
      {
        "type": "text",
        "id": "cart_gwp_button_2",
        "label": "Button text 2",
        "default": "Add Free Gift"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_bottom_text_2",
        "label": "Bottom text 2",
        "default": "<p><\/p>"
      },
      {
        "type": "header",
        "content": "Third Price Tier"
      },
      {
        "type": "checkbox",
        "id": "third_price_tier",
        "label": "Use 3rd (even lower) price tier"
      },
      {
        "type": "range",
        "id": "third_order_threshold",
        "label": "Order size threshold",
        "min": 10,
        "max": 1000,
        "step": 10,
        "default": 100,
        "unit": "$"
      },
      {
        "type": "product",
        "id": "cart_gwp_product_3",
        "label": "Product 3"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_top_text_3",
        "label": "Main text 3",
        "default": "<p><\/p>"
      },
      {
        "type": "text",
        "id": "cart_gwp_button_3",
        "label": "Button text 3",
        "default": "Add Free Gift"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_bottom_text_3",
        "label": "Bottom text 3",
        "default": "<p><\/p>"
      },
      {
        "type": "header",
        "content": "Fourth Price Tier"
      },
      {
        "type": "checkbox",
        "id": "fourth_price_tier",
        "label": "Use 4th (lowest) price tier"
      },
      {
        "type": "range",
        "id": "fourth_order_threshold",
        "label": "Order size threshold",
        "min": 10,
        "max": 200,
        "step": 5,
        "default": 100,
        "unit": "$"
      },
      {
        "type": "product",
        "id": "cart_gwp_product_4",
        "label": "Product 4"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_top_text_4",
        "label": "Main text 4",
        "default": "<p><\/p>"
      },
      {
        "type": "text",
        "id": "cart_gwp_button_4",
        "label": "Button text 4",
        "default": "Add Free Gift"
      },
      {
        "type": "richtext",
        "id": "cart_gwp_bottom_text_4",
        "label": "Bottom text 4",
        "default": "<p><\/p>"
      },
      {
        "type": "header",
        "content": "Layout"
      },
      {
        "type": "range",
        "id": "padding_top",
        "label": "Top spacing",
        "min": 0,
        "max": 80,
        "default": 20,
        "unit": "px"
      },
      {
        "type": "range",
        "id": "padding_bottom",
        "label": "Bottom spacing",
        "min": 0,
        "max": 80,
        "default": 20,
        "unit": "px"
      },
      {
        "type": "range",
        "id": "padding_left",
        "label": "Left spacing",
        "min": 0,
        "max": 80,
        "default": 0,
        "unit": "px"
      },
      {
        "type": "range",
        "id": "padding_right",
        "label": "Right spacing",
        "default": 0,
        "min": 0,
        "max": 80,
        "unit": "px"
      },
      {
        "type": "header",
        "content": "Advanced"
      },
      {
        "type": "text",
        "id": "css_class",
        "label": "CSS Class"
      },
      {
        "type": "textarea",
        "id": "custom_css",
        "label": "Custom CSS"
      }
    ],
    "presets": [
      {
        "name": "Gift with Purchase",
        "category": "Layout",
        "settings": {

        }
      }
    ]
  }
{% endschema %}

could you help me with how to use this?