Make `Snapshot` take a strategy trait so that users can write their own strategies#82

apollo-sturdy wants to merge 6 commits intoCosmWasm:release/1.2CosmWasm/cw-storage-plus:release/1.2from

apollo-sturdy:sturdy/snapshot-strategy-as-traitapollo-sturdy/cw-storage-plus:sturdy/snapshot-strategy-as-traitCopy head branch name to clipboard