Mark as stable

Author: metab0t

pyproject.toml

@@ -10,7 +10,7 @@ readme = "README.md"
 requires-python = ">=3.8"
 authors = [{ name = "Yue Yang", email = "metab0t@outlook.com" }]
 classifiers = [
-    'Development Status :: 4 - Beta',
+    'Development Status :: 5 - Production/Stable',
     'Intended Audience :: Science/Research',
     'Topic :: Scientific/Engineering',
     'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',