Changelog

• d84e590: chore: add changelog for release 0.2.0 (#85)
• c1f8f69: chore: update docs and tool version (#84)
• 163a741: chore: bump github.com/hasura/go-graphql-client from 0.14.3 to 0.14.4 (#82)
• 18ffab9: chore: replace tftypes.Nullable* helpers with builtins (#83)
• 0eaefef: feat: add stacklet_platform data source (#72)
• 523fc2e: feat: handle pagination in policy collection mapping query (#81)