Add job to package all platform artifacts into a single zip

.github/workflows/ccpp.yml

@@ -56,3 +56,46 @@ jobs:
           path: |
             ModbusScope.zip
             ModbusScope_setup.exe
+
+  docs:
+    runs-on: ubuntu-latest
+
+    container:
+      image: docker://jgeudens/doc-latex:20250124_build_1
+    steps:
+      - uses: actions/checkout@v6.0.0
+
+      - name: Build doc
+        run: |
+          sh create_doc.sh
+          mv docs/manual/_build/latex/modbusscope.pdf modbusscope-user-manual.pdf
+
+      - uses: actions/upload-artifact@v7.0.0
+        with:
+          name: modbusscope-user-manual
+          path: modbusscope-user-manual.pdf
+
+  package:
+    runs-on: ubuntu-latest
+    needs: [linux, windows, docs]
+
+    steps:
+      - uses: actions/download-artifact@v8.0.1
+        with:
+          name: modbusscope-linux
+          path: all-artifacts/linux
+
+      - uses: actions/download-artifact@v8.0.1
+        with:
+          name: modbusscope-windows
+          path: all-artifacts/windows
+
+      - uses: actions/download-artifact@v8
+        with:
+          name: modbusscope-user-manual
+          path: all-artifacts/docs
+
+      - uses: actions/upload-artifact@v7.0.0
+        with:
+          name: modbusscope-all-platforms
+          path: all-artifacts/