Added windows build

.github/workflows/windows-build.yml

@@ -0,0 +1,47 @@
+on:
+  push:
+    tags:
+      - "v*"
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: Build EDMC
+    runs-on: windows-2019
+
+    defaults:
+      run:
+        shell: powershell
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.7.9"
+          architecture: "x86"
+
+      - name: Install python tools
+        run: |
+          pip install wheel
+          pip install -r requirements-dev.txt
+          pip install py2exe
+          ls
+
+      - name: Download winsparkle
+        run: |
+          Invoke-Webrequest -UseBasicParsing https://github.com/vslavik/winsparkle/releases/download/v0.7.0/WinSparkle-0.7.0.zip -OutFile out.zip
+          Expand-Archive out.zip
+          Move-Item 'out\WinSparkle-0.7.0\Release\*' '.\'
+
+      - name: Build EDMC
+        run: |
+          python setup.py py2exe
+
+      - name: Upload build files
+        uses: actions/upload-artifact@v2
+        with:
+          name: Built files
+          path: |
+            EDMarketConnector_win*.msi
+            dist.win32\EDMarketConnector.exe
+            appcast_win_*.xml