Create build.yml

.github/workflows/build.yml

@@ -0,0 +1,30 @@
+name: Build
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    container: ghcr.io/zephyrproject-rtos/ci:v0.26.2
+    env:
+      CMAKE_PREFIX_PATH: /opt/toolchains
+      ZEPHYR_VERSION: 3.6.0
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          path: BLES
+      - name: Path Check
+        run: ls
+      - name: Initialize
+        working-directory: ZSWatch
+        run: |
+          west init /tmp/ --mr v$ZEPHYR_VERSION
+          west update -o=--depth=1 -n
+
+      - name: Build
+        working-directory: ZSWatch
+        run: |
+          west build app -b native_sim