2021-01-28-create-product-specifications-content.md

title	issue
Create product specifications content	NEXT-13304

Administration

• Added the main following blocks in sw-product-detail-specifications component template:
  • sw_product_detail_specifications_essential_characteristics
  • sw_product_detail_specifications_custom_products
  • sw_product_detail_specifications_custom_fields
• Deprecated the following blocks in sw-product-detail-base component template:
  • sw_product_detail_base_feature_set_card
  • sw_product_detail_attribute_sets
• Deprecated customFieldSetsArray computed property in sw-product-detail-base component.