Adding CI workflow for Windows OS (opensearch-project#299)

Signed-off-by: Surya Sashank Nistala <snistala@amazon.com>

Signed-off-by: Surya Sashank Nistala <snistala@amazon.com>

Author: eirsep

.github/workflows/ci.yml

@@ -14,9 +14,9 @@ jobs:
         java: 
           - 11
           - 17
-
+        os: [ubuntu-latest, windows-latest]
     name: Build and Test
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout