Adoption WG Page missing Team call info

[mxshea]

Impacted sections

List UNTP specification page(s) that are impacted by this issue. Eg

• https://uncefact.github.io/spec-untp/docs/governance/adoptionGroup

Issue Description

• Calendar ICS files are missing from page
• Zoom call links are missing from page

Remember to add relevant labels.

[ashleythedeveloper]

Marking this pending close as PR #498 has been merged.