Requests page

[klakhov]

Motivation and context

This PR introduces new page with information about data processing(status and progress). For now it will support: task creation, import/export.

For previous discussions refer to: #7537

How has this been tested?

Checklist

• [x] I submit my changes into the develop branch
• [x] I have created a changelog fragment
• [ ] I have updated the documentation accordingly
• [ ] I have added tests to cover my changes
• ~~[ ] I have linked related issues (see GitHub docs)~~
• [x] I have increased versions of npm packages if it is necessary (cvat-canvas, cvat-core, cvat-data and cvat-ui)

License

• [x] I submit my code changes under the same MIT License that covers the project. Feel free to contact the maintainers if that's a concern.