Include veto of pledges and child pledges

[hesterbruikman]

User story

• As a funder I want to have some control over how my pledges are moved to other delegates and projects. While the delegate is free to pledge to other delegates and projects, the original funder should have the opportunity to veto a pledge down the chain if they disagree.

Implementation

• Introduce details on time until pledge is fully committed (not vetoed) in withdrawal flow and funding flow.
• Design UI for funder to have an Action to veto a project they funded within the given commit-time.
• Implement veto flow

Acceptance Criteria

Notes

Future Steps