Update github CI to use cmake

Author: tari

.github/workflows/ci.yml

@@ -4,10 +4,16 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
-    - name: Build
-      run: make
-    - name: Test
-      run: make check
+    - name: Checkout
+      uses: actions/checkout@v2.0.0
+
+    - name: Build & Test
+      uses: nicledomaS/cmake_build_action@v1.4
+      with:
+        run_tests: ON
+        config: RelWithDebInfo