Simultaneous management and branching strategies of V2 and V3 Figma component libraries

[GCHQ-Developer-094]

Summary

Establish strategies for both branching and publishing/maintaining for both V2 and V3 libraries.

💬 Description

As above. How was this done in the transition from V1 to V2, what worked, what didn't?

Outputs

Document approach on internal systems

Additional

See also - https://github.com/mi6/ic-ui-kit/issues/2059