Added installing wine and mono for Windows build

Maybe use native Windows\OSX worker later

.github/workflows/build.yml

@@ -20,6 +20,9 @@ jobs:
           AhMyth-Server
     runs-on: ubuntu-latest
     steps:
+      - name: Install apt dependencies (need for Windows build)
+        run: |
+          apt update && sudo apt-get install --no-install-recommends -y wine mono gcc-multilib g++-multilib
       - uses: actions/checkout@v2
       - name: Setup Node.js environment
         uses: actions/setup-node@v1.4.3
@@ -40,4 +43,4 @@ jobs:
         uses: actions/upload-artifact@v1
         with:
           name: AhMyth
-          path: /dist/
+          path: /dist/