[fluent UI][agenda] Fluent UI integration

[vogtn]

Proposal: facilitate the integration of Fluent UI web components into the mgt-agenda control

Description

This is an open thread for implementation, discussion and review of the mgt-agenda upgrade to utilize Fluent UI web components.

https://github.com/microsoft/fluentui/tree/master/packages/web-components

Rationale

Further mgt alignment with the current fluent guidelines

Preferred Solution

• [x] Phase 1: Suggest controls/UI/text with similar functionality/design that could be replaced with the Fluent UI web component. any concerns with implementation should be noted
• [ ] Phase 2: Review preferred components to be used with the mgt-agenda (ideally with conformation from additional authors).
• [ ] Phase 3: Develop POC with the mgt-agenda and the new Fluent UI web components
• [ ] Phase 4: Test against current functionality.
• [ ] Phase 5: Prepare for merge

[vogtn]

2 fluent components + 1 icon

1. tooltip: https://fluent-components.azurewebsites.net/?path=/docs/components-tooltip--tooltip
2. card: https://fluent-components.azurewebsites.net/?path=/docs/components-card--card

[njaci1]

Currently being progressed through issue #1624