add iron ci (#78)

Signed-off-by: ijnek <[email protected]>

.github/workflows/build_and_test_iron.yaml

@@ -0,0 +1,34 @@
+# This is a basic workflow to help you get started with Actions
+
+name: Build and Test (iron)
+
+# Controls when the action will run.
+on:
+  # Triggers the workflow on push
+  push:
+    branches: [ iron ]
+
+  # Triggers the workflow on pull requests
+  pull_request:
+    branches: [ iron ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:jammy
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      - uses: ros-tooling/[email protected]
+        with:
+          use-ros2-testing: true
+      - uses: ros-tooling/[email protected]
+        with:
+          target-ros2-distro: iron