run windows in CI as well

Author: wolfv

.github/micromamba_ci_environment.yml

@@ -0,0 +1,8 @@
+name: ci_environment
+channels:
+  - conda-forge
+dependencies:
+  - c-compiler
+  - ninja
+  - cmake
+  - zlib

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ on:
       - master
 
 jobs:
-  build:
+  build_linux:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -28,3 +28,24 @@ jobs:
         run:  |
           cd build
           make test
+
+  build_win:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install environment from environment.yml
+        uses: mamba-org/provision-with-micromamba@main
+        with:
+          environment-file: .github/micromamba_ci_environment.yml
+
+      - name: Build
+        run:  |
+          mkdir build
+          cd build
+          cmake -GNinja ..
+          ninja
+
+      - name: Test
+        run:  |
+          cd build
+          ninja test