update docs and README 2

Author: thierrymoudiki

LICENSE

@@ -1,6 +1,6 @@
 The Clear BSD License
 
-Copyright (c) [2019-2024] [Thierry Moudiki]
+Copyright (c) [2025-2026] [Thierry Moudiki]
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

README.md

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 # Yield Curve with Machine Learning
 
-![PyPI](https://img.shields.io/pypi/v/yieldcurveml) [![PyPI - License](https://img.shields.io/pypi/l/yieldcurveml)](https://github.com/Techtonique/yieldcurveml/blob/main/LICENSE) [![Downloads](https://pepy.tech/badge/yieldcurveml)](https://pepy.tech/project/yieldcurveml)[![Documentation](https://img.shields.io/badge/documentation-is_here-green)](https://techtonique.github.io/yieldcurveml/)
+![PyPI](https://img.shields.io/pypi/v/yieldcurveml) [![PyPI - License](https://img.shields.io/pypi/l/yieldcurveml)](https://github.com/Techtonique/yieldcurve/blob/main/LICENSE) [![Downloads](https://pepy.tech/badge/yieldcurveml)](https://pepy.tech/project/yieldcurveml)[![Documentation](https://img.shields.io/badge/documentation-is_here-green)](https://techtonique.github.io/yieldcurveml/)
 
 
 ## 0 - Install: 

pyproject.toml

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 [project]
 name = "yieldcurveml"
-version = "0.3.0"
+version = "0.3.1"
 description = "Add your description here"
 readme = "README.md"
 authors = [