Add metadata science to canvas

[rayondemiel]

https://github.com/iiif-prezi/iiif-prezi3/blob/main/iiif_prezi3/skeleton.py#L312

exemple in ca: "metadata": [ { "label": "Sur le portail Biblissima", "value": "<a href=\"https://portail.biblissima.fr//ark:/43093/ifdata6a0c681c93626420748fc3f8bc74a84d5a6696eb\">Ascète (France, Paris. Bibliothèque nationale de France, Département des manuscrits, Persan 98 f.1v)" }, { "label": "Manuscrit", "value": "<a href=\"https://portail.biblissima.fr//ark:/43093/mdata0493bed677bbe4c606eb766e069748a85fd41649\">Persan 98" }, { "label": "Feuillet / page", "value": "1v" }, { "label": "Légende", "value": "Ascète" }, { "label": "Date", "value": "17e siècle" }, { "label": "Lieu de fabrication", "value": [ "Inde" ] }, { "label": "Descripteurs", "value": [ "<a href=\"https://portail.biblissima.fr//ark:/43093/descecb8211cd54a76ab2141dafe196c99e98e307a2c\">canne", "<a href=\"https://portail.biblissima.fr//ark:/43093/desc98ecb295b467f7c35070d9ebb076892e297a92b8\">coiffe", "<a href=\"https://portail.biblissima.fr//ark:/43093/descc6a2960100b6d9689f89bf3c3a9fe1905eacd372\">chaussure", "<a href=\"https://portail.biblissima.fr//ark:/43093/desc7803cde993e0717f84d1c2c0e81e61ed62877f7e\">chapelet", "<a href=\"https://portail.biblissima.fr//ark:/43093/descd5fe3d9f5efbe025d0608563469277516af806fd\">ascète", "<a href=\"https://portail.biblissima.fr//ark:/43093/descbe020ad25617270330c071e5cde493a481405ca4\">fourrure", "<a href=\"https://portail.biblissima.fr//ark:/43093/descbc95e96b61baff719484b4713f1719a23ab57b7f\">vêtement" ] }

[rayondemiel]

to change metadata in filename to this format. https://crc-centre-recherche-conservation.github.io/iiif/iiif/manifest/MS_59_Avranches_CRC_HS_SWIR.json -> items/items/label

[rayondemiel]

Add metadata in annotation (go to issue iiif-prezi) with behavio hidden (it's possible here : https://manifest-editor.digirati.services/)