Windows installer, reorganize workflows

.github/workflows/build-exe.yml

@@ -0,0 +1,28 @@
+on:
+  workflow_call:
+
+name: Workflow - Build exe
+
+jobs:
+  build:
+    runs-on: windows-latest
+    name: Build Windows exe
+
+    steps:
+      - uses: actions/checkout@v3
+        name: Checkout
+      - uses: actions/setup-python@v4
+        name: Setup Python
+        with:
+          python-version: ${{ vars.PYTHON_VERSION}}
+      - name: Install deps
+        run: |
+          python -m pip install --upgrade pip
+          pip install .[build]
+      - name: Build
+        run: pyinstaller dyn2py.spec
+      - uses: actions/upload-artifact@v3
+        name: Upload artifact
+        with:
+          name: dyn2py.exe
+          path: dist/dyn2py.exe