Add CI action file to test the faststream examples

.github/workflows/test-faststream-examples.yaml

@@ -0,0 +1,22 @@
+name: Test faststream gen examples
+on: [workflow_dispatch, pull_request, push]
+
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+      - name: Install Dependencies and library
+        shell: bash
+        run: |
+          set -ux
+          python -m pip install --upgrade pip
+          pip install -e ".[dev]"
+      - name: Run pytest
+        shell: bash
+        run: pytest
+