Make CI run on windows and linux

Signed-off-by: Marcel Müller <[email protected]>

Author: TheNeikos

.github/workflows/rust.yml

@@ -11,7 +11,10 @@ env:
 
 jobs:
   Build:
-    runs-on: windows-latest
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Code
         uses: actions/checkout@v2