add reusable workflows

.github/workflows/Package.yml

@@ -0,0 +1,48 @@
+name: Package
+
+on:
+  workflow_call:
+    inputs:
+      pyver:
+        description: 'Python version.'
+        required: false
+        default: '3.10'
+        type: string
+      artifact:
+        description: 'Name of the wheel artifact.'
+        required: true
+        type: string
+
+jobs:
+
+  Package:
+    name: 📦 Package in Wheel Format
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: 📥 Checkout repository
+        uses: actions/checkout@v2
+
+      - name: 🐍 Setup Python ${{ inputs.pyver }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ inputs.pyver }}
+
+      - name: 🔧 Install dependencies for packaging and release
+        run: |
+          python -m pip install --upgrade pip
+          pip install wheel
+
+      - name: 🔨 Build Python package (source distribution)
+        run: python setup.py sdist
+
+      - name: 🔨 Build Python package (binary distribution - wheel)
+        run: python setup.py bdist_wheel
+
+      - name: 📤 Upload wheel artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ inputs.artifact }}
+          path: dist/
+          if-no-files-found: error
+          retention-days: 1