Update README model terminology and copyright year (#64)

## Summary

This PR aligns the README documentation with current project conventions
by updating model terminology and refreshing the copyright year.

## Key Accomplishments

- **Model terminology alignment**: Updated references in the README to
reflect the current naming conventions used throughout the codebase,
ensuring consistency between documentation and implementation.
- **Copyright year update**: Bumped the copyright year to reflect the
current period, keeping legal notices accurate and up to date.

## Breaking Changes

None. This is a documentation-only change with no impact on
functionality or APIs.

## Testing Notes

- No functional testing required as changes are limited to
documentation.
- Visual review of the rendered README is recommended to confirm
formatting remains intact.

## Infrastructure Considerations

- No infrastructure impact. This change is purely
cosmetic/documentation-related and does not affect builds, deployments,
or dependencies.

---
🤖 Generated with [Claude Code](https://claude.ai/code)

**Branch Info:**
- Source: `refactor/align-readme`
- Target: `main`
- Type: feature

Co-Authored-By: Claude <noreply@anthropic.com>

Author: jfrench9

README.md

@@ -7,7 +7,7 @@ Official Python Client for the RoboSystems Financial Knowledge Graph API. Access
 
 ## Features
 
-- **Type-safe API client** with full type hints and Pydantic models
+- **Type-safe API client** with full type hints and typed models
 - **Async/await support** for high-performance applications
 - **Table ingestion** with simplified Parquet file uploads
 - **Streaming support** for memory-efficient processing of large result sets
@@ -45,4 +45,4 @@ pip install robosystems-client[all]
 
 This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
 
-MIT © 2025 RFS LLC
+MIT © 2026 RFS LLC