title: "Add example pallet for Multi-Block-Migrations"

doc:
  - audience: Runtime Dev
    description: |
      - Add an example pallet to demonstrate Multi-Block-Migrations.
      - Add a `MigrationId` to frame-support for more convenient identification or migrations.
      - Add default config prelude for testing in pallet-migrations.

crates:
  - name: frame-support
    bump: minor
  - name: pallet-migrations
    bump: minor
  - name: kitchensink-runtime
    bump: patch