fix: Implement continuous cleanup during shutdown to ensure all data …

…is flushed and use a thread-safe buffer for logger tests.

docs: enhance README with badges and detailed sections, and add GitHu…

…b Actions CI workflow.

feat: Guarantee zero data loss during cleanup by re-inserting items i…

…nto the aggregator when the output pool is full.

fix: Prevent cleanup from blocking on a full data pool by immediately…

… dropping items instead of attempting to push after a timeout.

fix: Corrected `DataAggregator.Add` return value to indicate if an it…

…em was aggregated or newly stored, and updated its documentation.

feat: Optimize data aggregator with power-of-2 sharding, enhanced has…

…hing for floats and fallback types, `xsync.Map.Compute` for atomic updates, cleanup stall monitoring, and a new high-concurrency test.

feat: Enhance concurrency safety and graceful shutdown, rename DataAg…

…gregator, and update dependencies and documentation.

change numShards

Optimize shard selection and item addition in DataAggrigrator with im…

…proved hashing and concurrency

Refactor data aggregator to support custom aggregation functions and …

…remove atomic operations implementation