indexer alt restorer: init commit and restore object infos

[gegaowp]

Description

title, the main parts are:

• read archival storage for checkpoint info of seq number and chain identifier
• read snapshot files and restore obj_info table

Test plan

local run

cargo run --bin sui-indexer-alt-restorer -- --start-epoch 600 --endpoint "https://formal-snapshot.mainnet.sui.io" --snapshot-bucket "mysten-mainnet-formal" --archive-bucket "mysten-mainnet-archives" --snapshot-local-dir "/Users/gegao/Desktop/formal" --database-url "postgres://postgres:postgres@localhost/gegao"

it's worth doing some data integrity check eventually and not done yet.

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Release notes

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• Protocol:
• Nodes (Validators and Full nodes):
• Indexer:
• JSON-RPC:
• GraphQL:
• CLI:
• Rust SDK:
• REST API:

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[amnn]

I think you can still get rid of the kv_genesis logic, and there's a small simplification for the inner loop over live objects, but this is much easier to follow now, thanks @gegaowp ! Good to go 🚀