Repeatable Page Custom Type for Sample Website

page.json

{
  "Main" : {
    "uid" : {
      "type" : "UID",
      "config" : {
        "placeholder" : "meaningful-unique-identifier...",
        "label" : "Unique ID"
      }
    },
    "body" : {
      "type" : "Slices",
      "fieldset" : "Page content",
      "config" : {
        "labels" : {
          "textSection" : [ {
            "name" : "1col",
            "display" : "1 Column"
          }, {
            "name" : "2col",
            "display" : "2 Columns"
          } ]
        },
        "choices" : {
          "heading" : {
            "type" : "StructuredText",
            "fieldset" : "Section Heading",
            "config" : {
              "placeholder" : "Text...",
              "single" : "heading1, heading2, heading3"
            }
          },
          "textSection" : {
            "type" : "StructuredText",
            "fieldset" : "Text Section",
            "config" : {
              "placeholder" : "Text...",
              "labels" : [ "quote" ]
            }
          },
          "fullWidthImage" : {
            "type" : "Image",
            "fieldset" : "Full Width Image",
            "config" : {
              "constraint" : {
                "width" : 980,
                "height" : 300
              }
            }
          },
          "highlight" : {
            "type" : "Group",
            "fieldset" : "Highlight",
            "config" : {
              "repeat" : false,
              "fields" : {
                "title" : {
                  "type" : "StructuredText",
                  "config" : {
                    "placeholder" : "Highlight Title",
                    "single" : "heading2"
                  }
                },
                "headline" : {
                  "type" : "StructuredText",
                  "config" : {
                    "placeholder" : "Highlight Headline",
                    "single" : "heading3"
                  }
                },
                "link" : {
                  "type" : "Link",
                  "fieldset" : "Optional Link",
                  "config" : {
                    "placeholder" : "Optional Link"
                  }
                },
                "linkText" : {
                  "type" : "Text",
                  "config" : {
                    "placeholder" : "Optional Link Text"
                  }
                },
                "image" : {
                  "type" : "Image",
                  "config" : {
                    "constraint" : {
                      "width" : 727,
                      "height" : 402
                    }
                  }
                }
              }
            }
          },
          "gallery" : {
            "type" : "Group",
            "fieldset" : "Image Gallery",
            "config" : {
              "repeat" : true,
              "fields" : {
                "image" : {
                  "type" : "Image",
                  "config" : {
                    "placeholder" : "Image",
                    "constraint" : {
                      "width" : 727,
                      "height" : 402
                    }
                  }
                },
                "description" : {
                  "type" : "StructuredText",
                  "config" : {
                    "placeholder" : "Image Description...",
                    "single" : "paragraph"
                  }
                },
                "link" : {
                  "type" : "Link",
                  "fieldset" : "Optional Link",
                  "config" : {
                    "placeholder" : "Optional Link"
                  }
                },
                "linkText" : {
                  "type" : "Text",
                  "config" : {
                    "placeholder" : "Optional Link Text"
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}