ci(pypi): OIDC trusted publisher (manual-only) (#60)

Author: CoderDeltaLAN

.github/workflows/publish-pypi.yml

@@ -0,0 +1,21 @@
+name: publish-pypi
+on:
+  workflow_dispatch: {}   # Solo manual (seguro)
+
+permissions:
+  contents: read
+  id-token: write         # OIDC (sin token)
+
+jobs:
+  pypi:
+    environment: pypi     # coincide con PyPI (opcional, recomendado)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with: { python-version: '3.12' }
+      - run: python -m pip install -U pip build
+      - run: python -m build              # genera dist/*
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/             # OIDC -> no password