add basic github action for regression testing

.github/workflows/integration.yml

@@ -0,0 +1,63 @@
+name: Integration test
+
+on:
+  push:
+    paths-ignore:
+      - 'README.md'
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        include:
+          - { python-version: '3.12', region: us-west-1, access-key-id: '000000000001'}
+          - { python-version: '3.12', region: us-east-1, access-key-id: 'test'}
+          - { python-version: '3.11', region: us-east-1, access-key-id: 'test'}
+          - { python-version: '3.10', region: us-east-1, access-key-id: 'test'}
+          - { python-version: '3.9', region: us-east-1, access-key-id: 'test'}
+          - { python-version: '3.8', region: us-east-1, access-key-id: 'test'}
+
+    env:
+      AWS_ACCESS_KEY_ID: ${{ matrix.access-key-id }}
+      AWS_REGION: ${{ matrix.region }}
+      AWS_DEFAULT_REGION: ${{ matrix.region }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: '${{ matrix.python-version }}'
+
+      - name: Install deps
+        run: pip install .
+
+      - name: Install localstack CLI
+        run: pip install localstack
+
+      - name: Start and wait for localstack (Community)
+        timeout-minutes: 10
+        run: |
+          docker pull localstack/localstack:latest
+          localstack start -d
+          localstack wait -t 30
+      
+      - name: Check aws-cli version
+        run: |
+          aws --version
+          awslocal --version
+          which aws
+          which awslocal
+
+      - name: Verify successful deployment
+        run: |
+          awslocal lambda list-functions
+          awslocal ssm list-parameters