add: pre-release workflow for publishing package to test.pypi when a …

…tag has been pushed to the remote repo

.github/workflows/pre-release.yml

@@ -0,0 +1,37 @@
+name: Publish to Test PyPI
+on:
+  push:
+    # when a new tag has been pushed to repo
+    tags:
+      - '*.*.*'
+
+jobs:
+  package_pre_release:
+    name: Publish Package to Test PyPI
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.11]
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Setup Python 3.11
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Pipx & Poetry
+        run: |
+          python3 -m pip install --user pipx
+          python3 -m pipx ensurepath
+          pipx install poetry
+
+      - name: Configure Test.PYPI as source to publish to
+        run: |
+          poetry config repositories.testpypi https://test.pypi.org/legacy/
+          poetry config pypi-token.testpypi ${{ secrets.TEST_PYPI_PASSWORD }}
+
+      - name: Publish package
+        run: poetry publish --build -r testpypi