Add new sample

docs/manifests/AnnotWithThumbail.json

+{
+    "@context" : "http://iiif.io/api/presentation/3/context.json",
+    "id" : "https://anthony.pages.tetras-libre.fr/demo-content/manifests/test5.json",
+    "type" : "Manifest",
+    "label" : {
+      "en" : [ "Picture of Göttingen taken during the 2019 IIIF Conference" ]
+    },
+    "items" : [ {
+      "id" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1",
+      "type" : "Canvas",
+      "height" : 3024,
+      "width" : 4032,
+      "items" : [ {
+        "id" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1/annopage-1",
+        "type" : "AnnotationPage",
+        "items" : [ {
+          "id" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1/annopage-1/anno-1",
+          "type" : "Annotation",
+          "motivation" : "painting",
+          "body" : {
+            "id" : "https://iiif.io/api/image/3.0/example/reference/918ecd18c2592080851777620de9bcb5-gottingen/full/max/0/default.jpg",
+            "type" : "Image",
+            "format" : "image/jpeg",
+            "height" : 3024,
+            "width" : 4032,
+            "service" : [ {
+              "id" : "https://iiif.io/api/image/3.0/example/reference/918ecd18c2592080851777620de9bcb5-gottingen",
+              "profile" : "level1",
+              "type" : "ImageService3"
+            } ]
+          },
+          "target" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1"
+        } ]
+      } ],
+      "annotations" : [ {
+        "id" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1/annopage-2",
+        "type" : "AnnotationPage",
+        "items" : [ {
+          "id" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1/annopage-2/anno-1#https://iiif.bodleian.ox.ac.uk/iiif/manifest/e32a277e-91e2-4a6d-8ba6-cc4bad230410.json",
+          "type" : "Annotation",
+          "motivation" : "commenting",
+          "body" : {
+            "type" : "TextualBody",
+            "language" : "de",
+            "format" : "text/html",
+            "value" : "<p>Göttinger Marktplatz mit <a href='https://de.wikipedia.org/wiki/G%C3%A4nseliesel-Brunnen_(G%C3%B6ttingen)'>Gänseliesel Brunnen <img src='https://en.wikipedia.org/static/images/project-logos/enwiki.png' alt='Wikipedia logo'></a></p>"
+          },
+          "target" : "https://iiif.io/api/cookbook/recipe/0019-html-in-annotations/canvas-1"
+        } ]
+      }]
+    } ]
+  }
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