Release v1.1.0 Added multi-schema support, update mocks, and fix examples

feat: Add multi-schema support, update mocks, and fix examples

• Add multi-schema/multi-tenant functionality with context-based schema switching
• Create comprehensive multi-schema example with 6 detailed demos
• Regenerate mocks using mockery v3.2.2 with updated configuration
• Fix compilation errors in examples using build tags
• Add Makefile and documentation for improved developer experience
• Update README with multi-schema API documentation and usage examples

Examples now support PostgreSQL schema-based tenant isolation and can be built independently using make targets.