Add tags and changed display of speakers

[odkhang]

This PR closes/references issue #209 . It does so by:

1. Update css for speaker box view
2. Add tag into session/schedule page

   How has this been tested?

Checklist

• [ ] I have added tests to cover my changes.

Summary by Sourcery

Introduce tags to session and schedule pages and update the display of speakers. Refactor schedule components for better modularity and maintainability.

New Features:

• Add tags to session and schedule pages, allowing sessions to be categorized and displayed with tags.

Enhancements:

• Update the CSS for the speaker box view to improve the visual presentation of speakers.
• Refactor the schedule components by creating separate components for LinearSchedule, GridSchedule, and Session, improving modularity and maintainability.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request implements several changes to the schedule view of the web application, including the addition of tags to sessions, modifications to the display of speakers, and updates to the schedule components. The changes primarily focus on enhancing the user interface and improving the organization of schedule-related information.

File-Level Changes

Files	Changes
webapp/src/views/schedule/sessions/index.vue webapp/src/views/schedule/index.vue	Updated imports and component declarations to use locally defined schedule components instead of external ones.
webapp/src/views/schedule/schedule-components/GridSchedule.vue webapp/src/views/schedule/schedule-components/LinearSchedule.vue webapp/src/views/schedule/schedule-components/Session.vue	Introduced new components for different schedule views (grid and linear) and individual session display, with enhanced features such as tags support and sorting options.

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[odkhang]

[mariobehling]

Please only fix docker build as well.