add basic workflow

Signed-off-by: wep21 <daisuke.nishimatsu1021@gmail.com>

Author: wep21

.github/workflows/build.yml

@@ -0,0 +1,28 @@
+name: "Build"
+
+on:
+  pull_request:
+  push:
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bazel-contrib/setup-bazel@0.14.0
+        with:
+          bazelisk-cache: true
+          disk-cache: ${{ github.workflow }}
+          repository-cache: true
+
+      - name: bazel-build-and-test
+        run: |
+          bazel test //...