Add automated PyPI publishing workflow

.github/workflows/publish.yml

@@ -0,0 +1,56 @@
+name: Publish to PyPI
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Build distribution
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install build dependencies
+        run: python -m pip install --upgrade build
+
+      - name: Build package
+        run: python -m build
+
+      - name: Upload distribution artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+  publish:
+    name: Publish to PyPI
+    needs: build
+    runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/cudakima
+
+    permissions:
+      id-token: write  # Required for OIDC trusted publishing
+
+    steps:
+      - name: Download distributions
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

pyproject.toml

@@ -8,11 +8,26 @@ authors = [
 license = { text = "MIT" }
 readme = "README.md"
 requires-python = ">=3.11"
+keywords = ["akima", "spline", "interpolation", "GPU", "CUDA", "numba"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Topic :: Scientific/Engineering :: Mathematics",
+]
+
 dependencies = [
-    "numpy==2.3.5",
-    "numba==0.63.1",
+    "numpy>=2.3.5",
+    "numba>=0.63.1",
 ]
 
+[project.urls]
+Homepage = "https://github.com/asantini29/CudAkima"
+Repository = "https://github.com/asantini29/CudAkima"
+Documentation = "https://asantini29.github.io/CudAkima/"
+"Bug Tracker" = "https://github.com/asantini29/CudAkima/issues"
+
 [project.optional-dependencies]
 docs = [
     "sphinx>=7.0.0",