Add example for Bazel Build & Test workflow

This is just an example how developers will be able to build
their own targets using this workflow.

Author: nradakovic

.github/workflows/build_and_test.yml

@@ -0,0 +1,47 @@
+# *******************************************************************************
+# Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+# Workflow configuration for `Bazel Build & Test`
+# This workflow runs Bazel build and test when triggered by specific pull request events.
+
+name: Bazel Build & Test
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+  merge_group:
+    types: [checks_requested]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/[email protected]
+      - name: Setup Bazel
+        uses: bazel-contrib/[email protected]
+    # TODO: Uncomment this part once the code is ready for build
+    #       and define the target for it.
+    # - name: Bazel build module target(s)
+    #   run: |
+    #     bazel build <targets>
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/[email protected]
+      - name: Setup Bazel
+        uses: bazel-contrib/[email protected]
+    # TODO: Uncomment this part once the code is ready for test
+    #       and define the targets for it.
+    # - name: Bazel test module target(s)
+    #   run: |
+    #     bazel test <targets>