ci: add simple action

.github/workflows/simple-test.yml

@@ -0,0 +1,31 @@
+# Action name
+name: Simple Test Action
+
+# Here, this action will be enabled on all pushes.
+# Modify this to fit your needs.
+on:
+  push
+
+# Jobs section
+jobs:
+  simple-test:
+    runs-on: ubuntu-latest
+    container:
+      image: southorange/ohos-base-zig:v4.1
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: install
+        run: cargo install ohrs && cargo install cargo-zigbuild
+
+      - name: init project
+        run: ohrs init hello
+
+      - name: build aarch64-unknown-linux-ohos
+        run: cd hello && cargo zigbuild --target aarch64-unknown-linux-ohos
+
+      - name: build armv7-unknown-linux-ohos
+        run: cd hello && cargo zigbuild --target armv7-unknown-linux-ohos
+
+      - name: build x86_64-unknown-linux-ohos
+        run: cd hello && cargo zigbuild --target x86_64-unknown-linux-ohos