* feat: add memtable builder to region
* refactor: rename memtable_builder in worker to default_memtable_builder
* fix: return error instead of using default compaction options
Support deserializing memtable and compaction options from the option
map
* feat: optional memtable options
* feat: add MemtableBuilderProvider to create builders
* feat: change default memtable and skip deserializing dedup
* chore: update test and comment
* chore: test invalid type
* feat: metric engine use new memtable manually
* feat: expose more memtable configs
* feat: add memtable options to valid option list
* test: add test
* test: sqlness test
* chore: serde workspace
* chore: remove comments