adding new pypi publishing workflow

.github/workflows/pypi-publish.yml

@@ -0,0 +1,27 @@
+name: ellipticbn
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/ellipticbn
+    permissions:
+      id-token: write  
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up python
+      uses: actions/setup-python@v5
+    - name: Install dependencies
+      run: |
+        pip install setuptools wheel build
+    - name : Build
+      run: |
+        python -m build
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1