[FileUpload]: new TEDI-Ready component

[ly-tempel-bitweb]

Design:
https://www.figma.com/design/jWiRIXhHRxwVdMSimKX2FF/TEDI-READY-2.77.99?node-id=4612-87581&m=dev

DoD

• The component is developed using best practices, conventions, and modern frontend trends
• The component follows BEM naming conventions (if applicable)
• The component implementation matches the Figma design, including all defined states and interactions
• The component supports responsiveness and scales across breakpoints (if applicable)
• The component does not introduce runtime errors or warnings
• Linter passes
• The component is exported from its tier barrel
• The component has unit tests with at least 80% code coverage (enforced by the global Jest coverageThreshold over tedi/components, not per component)
• CodeCov passes its threshold (80% on the changed code, with 10% tolerance — a separate gate from the Jest one above)
• The component has passed code review
• The component has passed Chromatic visual review
• Storybook stories are created:
  • Cover all Figma variations
  • Include edge cases, empty/error states
• Component’s API (props, slots, events) is documented
• ZeroHeight is updated with design/development guidelines
• External dependencies used in the component are documented in Storybook and Zeroheight, with rationale
• Semantic commit format type(scope): Subject text #issue-ref is used (for semantic-release), with the issue reference required - see Commit convention
• External libraries comply with validated open source licenses
• Component is versioned correctly and ready for release if required
• Update the Angular development status on the statuses page in Zeroheight