Outreach updates to clarify how meetings are used

Why is this change being made?

This is to explain how using the meetings templates in Outreach will create an event in SFDC. It also gives definitions on when to use the different types and fields that meetings can sync over.

Describe in detail answer to question on why this change is being proposed, in accordance with our value of Transparency

For anyone booking meetings in Outreach to understand how automation works between Outreach>SFDC

Does this MR meet the acceptance criteria?

Assign to DRI

• Did you assign this change to the correct DRI of the page or information you are changing?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what