Access Budget Snapshots

[HagenFritz]

This task is a component of User Story #58

Description

This resource will require a lot of new functions to essentially copy what is currently there for normal budgets:

• Get snapshot views: https://developers.procore.com/reference/rest/v1/budget-view-snapshots?version=1.0#list-budget-view-snapshots
• List snapshot detail rows: https://developers.procore.com/reference/rest/v1/budget-view-snapshot-detail-rows?version=1.0#list-budget-view-snapshot-detail-rows
• List snapshot summary rows: https://developers.procore.com/reference/rest/v1/budget-view-snapshot-summary-rows?version=1.0#list-budget-view-snapshot-summary-rows