ci: Actions to build & artifact develop branch

.github/workflows/master_artifact_publish.yml

@@ -0,0 +1,34 @@
+name: Release Artifacts
+
+on:
+  push:
+    branches: develop
+
+jobs:
+  windows:
+    name: Windows
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        configuration: [Release]
+    steps:
+      - uses: actions/checkout@master
+      - name: Generate cmake files
+        run: |
+          git submodule update --init --recursive --force
+          mkdir build && cd build
+          cmake .. -G "Visual Studio 16 2019" -A Win32
+      - name: Build
+        run: cmake --build build/ --config ${{ matrix.configuration }}
+      - name: Organize artifact files
+        shell: bash
+        run: |
+          mkdir dist
+          cp {COPYING,README.md} dist/
+          cd build/bin/${{ matrix.configuration }}
+          [ "${{ matrix.configuration }}" = "Debug" ] && sdl="SDL2d.dll" || sdl=SDL2.dll; cp {Cxbx.exe,glew32.dll,subhook.dll,$sdl} ../../../dist/
+          cp {cxbxr-debugger.exe,capstone.dll,cs_x86.dll} ../../../dist/
+      - uses: actions/upload-artifact@master
+        with:
+          name: CXBX-R-${{ matrix.configuration }}-${{ github.sha }}
+          path: dist/