added executable build

.github/workflows/build.yml

@@ -0,0 +1,42 @@
+name: Build Executable
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-windows:
+    name: Build on Windows
+    runs-on: windows-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pyinstaller
+          pip install -r requirements.txt
+
+      - name: Build executable
+        run: |
+          pyinstaller --onefile `
+          --name "optimuspy" `
+          --add-data "executors.py:." `
+          --add-data "results.py:." `
+          --add-data "execution_mode.py:." `
+          --console `
+          optimuspy.py
+
+      - name: Upload executable artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: optimuspy-winOS
+          path: dist/optimuspy.exe
+          retention-days: 180

README.md

@@ -65,6 +65,15 @@ For traceability and custom analysis, Optimus visualizes the results in a csv re
 - Provide enough spare memory on TM1 server
 - Fast mode determines first and last position only
 
+## Need a .exe version of OptimusPy?
+
+The latest executable build is available as an artifact in the GitHub Actions workflow runs. To download it:
+
+1. Go to the [Actions tab](https://github.com/cubewise-code/optimus-py/actions) of the repository.
+2. Click on the most recent workflow run titled **Build Executable**.
+3. In the workflow summary, look for the **Artifacts** section.
+4. Download the **optimuspy-winOS** artifact.
+
 ## Built With
 
 * [TM1py](https://github.com/cubewise-code/TM1py) - A python wrapper for the TM1 REST API