update .gitignore

Fix minor typo in package documentation for `ramblock`

Add backward compatibility for `kvstore` in `Engine` and unit test coverage

Rename `kvstore` package and all associated identifiers to `ramblock`

Add unit tests for `Table` covering encoding/decoding, error scenarios, and edge cases

Add unit tests for `TransferIterator` handling of empty tables, recycled states, and edge cases in `entry` encoding and decoding

Add unit tests for `KVStore` compaction, eviction, and garbage threshold scenarios

Add comprehensive unit tests for `KVStore` covering edge cases, error handling, and configuration scenarios.

Refactor `PutRaw` and `Put` methods to use reusable `putWithRetry` for improved readability and reduced code duplication.

Refactor entry retrieval logic in `table.go` by replacing inline decoding with `get` method call for improved readability and maintainability.

Add comprehensive comments to `table.go` and `pack.go` for improved code documentation and clarity

Validate `tableSize` to prevent negative values and add comprehensive tests for `prepareTableSize`

Add test for scanning entries with non-contiguous coefficients and fix coefficient-based cursor calculation

Add Reset test for recycled table scenario and initialize offsetIndex in Reset

update .gitignore