Docs update: document transition from the Whitelist constraint to the sig constraint

Description

Needs to cover the steps a cordapp developer, a node owner and the zone operator need to make in order to transition to the new signature constraint, when they were previously using the Whitelist constraint.
This needs to include sample code in the docs

Status

Assignee

Tudor Malene

Reporter

Tudor Malene

Labels

Feature Team

Versioning and Modules

Story Points

2

Fix versions

Ported to...

None

Priority

High

Sprint

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