Add video manifest in the sample

__tests__/integration/mirador/index.html

@@ -38,6 +38,7 @@
          { manifestId: "https://iiif.durham.ac.uk/manifests/trifle/32150/t1/m4/q7/t1m4q77fr328/manifest", provider: "Durham University Library"},
          //{ manifestId: "https://iiif.vam.ac.uk/collections/O1023003/manifest.json", provider: "Ocean liners"},
          { manifestId: "https://zavicajna.digitalna.rs/iiif/api/presentation/3/96571949-03d6-478e-ab44-a2d5ad68f935%252F00000001%252Fostalo01%252F00000071/manifest", provider: "Библиотека 'Милутин Бојић'"},
+         { manifestId : "https://preview.iiif.io/cookbook/master/recipe/0003-mvm-video/manifest.json", provider : "IIIF Cookbook" }
        ]
      });
     </script>