chore(deployment): create deployment tools for sequencer

.github/workflows/deployment.yml

@@ -0,0 +1,35 @@
+name: Sequencer Deployment Test
+on:
+  push:
+    branches:
+      - main
+      - main-v[0-9].**
+    tags:
+      - v[0-9].**
+    # TODO(Dori, 1/9/2024): Decide when exactly native-blockifier artifacts will be built. Until
+    #   then, keep the 'paths' key empty and build on every push to a release branch / tag.
+
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - auto_merge_enabled
+      - edited
+    paths:
+    - 'deployments/sequencer/*'
+
+
+jobs:
+  deployment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          # Install deps.
+          npm install -g cdk8s-cli
+          python3 -m pip install pipenv
+
+          # Synthesize the CDK8s Sequencer app.
+          cd deployments/sequencer
+          cdk8s synth

deployments/sequencer/Pipfile

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+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+constructs = "~=10.2.70"
+cdk8s = "~=2.66.2"
+
+[requires]
+python_version = "3.10"

deployments/sequencer/README.md

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+# CRD
+
+Example usage of [`Custom Resources Definitions`](https://cdk8s.io/docs/latest/cli/import/#crds) construct and to define them within a cdk8s application:
+
+- `App` (Core)
+- `Chart` (Core)
+- `Certificate` (CRD)

deployments/sequencer/cdk8s.yaml

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+language: python
+app: pipenv install && pipenv run python ./main.py
+imports:
+  - k8s@1.26.0
+  - resources/crds/backendconfigs_cloud_google_com.yaml