Embedding HTML in descriptive properties

	Cookbook URLs
Recipe:	https://iiif.io/api/cookbook/recipe/0007-string-formats/
JSON-LD:	https://iiif.io/api/cookbook/recipe/0007-string-formats/manifest.json

Method 1 - Building the object directly and making use of the AutoLang config

from iiif_prezi3 import Manifest, KeyValueString, config

config.configs['helpers.auto_fields.AutoLang'].auto_lang = "en"
base_url = "https://iiif.io/api/cookbook/recipe/0007-string-formats"

manifest = Manifest(id=f"{base_url}/manifest.json",
                    label="Picture of Göttingen taken during the 2019 IIIF Conference",
                    summary="<p>Picture taken by the <a href=\"https://github.com/glenrobson\">IIIF Technical Coordinator</a></p>",
                    rights="http://creativecommons.org/licenses/by-sa/3.0/",
                    requiredStatement=KeyValueString(label="Attribution",
                                                     value="<span>Glen Robson, IIIF Technical Coordinator. <a href=\"https://creativecommons.org/licenses/by-sa/3.0\">CC BY-SA 3.0</a> <img src=\"https://licensebuttons.net/l/by-sa/3.0/88x31.png\"/></span>"),
                    metadata=[KeyValueString(label="Author", value={"none": ["<span><a href='https://github.com/glenrobson'>Glen Robson</a></span>"]})])
canvas = manifest.make_canvas_from_iiif(url="https://iiif.io/api/image/3.0/example/reference/918ecd18c2592080851777620de9bcb5-gottingen",
                                        id=f"{base_url}/canvas/p1",
                                        anno_id=f"{base_url}/annotation/p0001-image",
                                        anno_page_id=f"{base_url}/page/p1/1")

print(manifest.json(indent=2))