[Documentation] missing documentation

[nmetulev]

This issue is tracking missing documentation.

• [ ] group-id and show-max in agenda (#119)
• [ ] hide-header in tasks (#119)
• [ ] template converter functions (#120)
• [x] people picker documentation (#121)
• [ ] set micrsoft teams library (#128)
• [ ] teams and provider components improvements (#132)

[nmetulev]

These are in progress: https://github.com/microsoftgraph/microsoft-graph-docs/pull/5772

[nmetulev]

Documentations now merged