add workflow to publish to pypi [skip ci]

Author: Christopher Doris

.github/workflows/register-pypi.yml

@@ -0,0 +1,31 @@
+name: Register to PyPI
+
+on: workflow_dispatch
+
+jobs:
+  register:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+    - name: Install build
+      run: >-
+        python -m
+        pip install
+        build
+        --user
+    - name: Build distribution
+      run: >-
+        python -m
+        build
+        --sdist
+        --wheel
+        --outdir dist/
+        .
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.PYPI_API_TOKEN }}