chore(ci): add push workflow

.github/workflows/push.yml

@@ -0,0 +1,39 @@
+name: Push
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    name: ${{ matrix.config.name }}
+    runs-on: ${{ matrix.config.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - name: Ubuntu Latest (GCC)
+            os: ubuntu-latest
+            build_type: Release
+            cc: "gcc"
+            cxx: "g++"
+
+          - name: "macOS Latest (Clang)"
+            os: macos-latest
+            build_type: "Release"
+            cc: "clang"
+            cxx: "clang++"
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Prepare
+        run: mkdir build
+
+      - name: Configure
+        run: cd build && cmake .. -DCMAKE_BUILD_TYPE=${{ matrix.config.build_type }}
+
+      - name: Build
+        run: cd build && make