prepare for release 1.0.0

[koebel]

Description

• get feedback on current feature set from ownCloud team
  Feedback:
  • display all metadata that is available, see display all metadata tags that are available in .dcm format #6 Display all metadata tags #61
  • tweak display size of dicom image preview, see [Bug/Enhancement]: purple border around dicom image preview #55, remove purple border around dicom image preview #56
  • update icons for flip image, see update icon for flipping image #57
• check test coverage and CI
• test in multiple browser [Tests]: Add support for testing in multiple browsers #49
• make sure all dependencies are up to date Update dependency version #51
• update README doc
  • Update documentation: prerequisites, including supported ocis-web versions and installation #64
  • online demo  #62
• create change log, see https://github.com/JankariTech/web-app-presentation-viewer/blob/main/CHANGELOG.md as example Add changelog for major release #52
• discuss with ownCloud team when extension should be released and how it will be announced
• release version 1.0.0

[koebel]

check if all these points mentioned by Benedikt are covered in the planned release: owncloud/web#11330

• manifest.json
• publicly available .zip file
• cover image
• minimal QA on the app
• add all information incl. screenshots to https://github.com/owncloud/awesome-ocis/blob/main/webApps/apps.json (add dicom-viewer app to apps.json  awesome-ocis#12)

[koebel]

cover image has been added in PR owncloud/awesome-ocis#8

source file of the cover image is stored in our internal ocloud storage

[Salipa-Gurung]

Created initial release 1.0.0 https://github.com/owncloud/web-app-dicom-viewer/releases/tag/1.0.0