feat: add sst-metadata tool to query sst metadata

[jiacai2050]

Related Issues

Closes #

When debug compaction related issue, it's helpful to check sst metadata.

Detailed Changes

• Add new cli tool sst-metadata.

Test Plan

Manually

$ ./target/release/sst-metadata --dir ~/bench/data/store/2/2199023255817/

Location:2/2199023255817/51491.sst, time_range:[2022-09-05 10:00:00, 2022-09-05 12:00:00), max_seq:305309, size:440.000M, metadata:55.219M, kv:51.565M, filter:38.470M, row_num:14480000
Location:2/2199023255817/53873.sst, time_range:[2022-09-05 10:00:00, 2022-09-05 12:00:00), max_seq:319320, size:666.969M, metadata:83.759M, kv:78.198M, filter:58.342M, row_num:21960000
Location:2/2199023255817/51538.sst, time_range:[2022-09-05 10:00:00, 2022-09-05 12:00:00), max_seq:305001, size:1161.511M, metadata:145.723M, kv:136.025M, filter:101.489M, row_num:38200000
Location:2/2199023255817/53269.sst, time_range:[2022-09-05 10:00:00, 2022-09-05 12:00:00), max_seq:315057, size:1176.751M, metadata:147.631M, kv:137.805M, filter:102.817M, row_num:38700000
Location:2/2199023255817/53973.sst, time_range:[2022-09-05 10:00:00, 2022-09-05 12:00:00), max_seq:320198, size:1183.643M, metadata:148.508M, kv:138.623M, filter:103.428M, row_num:38930000

[Rachelint]

LGTM