Add link for Release Notes

Author: dofuuz

README.md

@@ -6,6 +6,7 @@ High quality, one-dimensional sample-rate conversion library for Python.
 
 - Homepage: https://github.com/dofuuz/python-soxr
 - Documentation: https://python-soxr.readthedocs.io
+- Release Notes: https://github.com/dofuuz/python-soxr/releases
 - PyPI: https://pypi.org/project/soxr/
 
 Keywords: Resampler, Audio resampling, Samplerate conversion, DSP(Digital Signal Processing)

pyproject.toml

@@ -53,6 +53,7 @@ test = ["pytest"]
 [project.urls]
 Homepage = "https://github.com/dofuuz/python-soxr"
 Documentation = "https://python-soxr.readthedocs.io"
+"Release Notes" = "https://github.com/dofuuz/python-soxr/releases"
 Source = "https://github.com/dofuuz/python-soxr"
 "Bug Tracker" = "https://github.com/dofuuz/python-soxr/issues"