Merge annotation video into mui 5

.gitignore

.gitlab-ci.yml

README.md

__tests__/fixtures/version-3/video.json

__tests__/fixtures/version-3/video_annotations.json

__tests__/fixtures/version-3/video_captions.json

__tests__/fixtures/version-3/video_captions_other.json

__tests__/fixtures/version-3/video_multiples_captions.json

__tests__/integration/mirador/auth.html

__tests__/integration/mirador/blank.html

__tests__/integration/mirador/collections.html

__tests__/integration/mirador/contentsearch.html

__tests__/integration/mirador/embedding.html

__tests__/integration/mirador/index.html

__tests__/integration/mirador/layers.html

__tests__/integration/mirador/level0.html

__tests__/integration/mirador/minimalist.html

__tests__/integration/mirador/rtl.html

__tests__/integration/mirador/svg_annos.html

__tests__/integration/mirador/toc.html