Add Memory and LocalStorage drivers for testing and browser applications

packages/drivers/memory/CHANGELOG.md

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+# Changelog
+
+All notable changes to the Memory Driver for ObjectQL will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.0] - 2026-01-15
+
+### Added
+- Initial release of Memory Driver
+- Full implementation of ObjectQL Driver interface
+- Zero external dependencies
+- In-memory storage using JavaScript Maps
+- Complete query support (filters, sorting, pagination)
+- Bulk operations (createMany, updateMany, deleteMany)
+- Distinct value queries
+- Initial data loading
+- Strict mode for error handling
+- Comprehensive test suite (22 tests)
+- Full documentation and README
+- Support for all ObjectQL query operators:
+  - Comparison: =, !=, >, >=, <, <=
+  - Set: in, nin
+  - String: contains, startswith, endswith
+  - Range: between
+  - Logical: and, or
+- Utility methods (clear, getSize)
+- TypeScript type definitions
+
+### Features
+- ✅ Production-ready for non-persistent use cases
+- ✅ Perfect for testing and development
+- ✅ Works in all JavaScript environments (Node.js, Browser, Edge)
+- ✅ High performance with O(1) CRUD operations
+- ✅ Thread-safe operations
+- ✅ Atomic updates and deletes
+
+### Use Cases
+- Unit testing without database setup
+- Development and prototyping
+- Edge/Worker environments (Cloudflare Workers, Deno Deploy)
+- Client-side state management
+- Temporary data caching
+- CI/CD pipelines
+
+### Performance
+- Create: O(1)
+- Read by ID: O(1)
+- Update: O(1)
+- Delete: O(1)
+- Find/Query: O(n)
+- Count: O(n)
+- Sort: O(n log n)
+
+### Documentation
+- Comprehensive README with examples
+- API reference
+- Configuration guide
+- Testing guide
+- Performance tips
+- Migration guide
+- Troubleshooting section
+
+[0.1.0]: https://github.com/objectstack-ai/objectql/releases/tag/%40objectql/driver-memory%400.1.0