Add Windows tests to github actions

.github/workflows/main.yml

@@ -13,19 +13,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, windows-latest]
         ruby: [2.6, 2.7, '3.0', 3.1, 3.2]
     runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v3
-    - name: before_setup
+    - name: before_setup on Linux
+      if: runner.os == 'Linux'
       run: |
         sudo apt-get update && sudo apt-get install -yq libboost-all-dev
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
+    - name: preparation on Windows
+      if: runner.os == 'Windows'
+      run: |
+        pacman -Syy
+        pacman -Ssq '\-boost$' | pacman -S --noconfirm -
     - name: Run the default task
       run: bundle exec rake