feat(api): initial version of sendora city API

.env

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+POSTGRES_SERVER=localhost
+POSTGRES_DB=sendora
+POSTGRES_USER=sendora
+POSTGRES_PASSWORD=replace-me

.github/workflows/CD.yml

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+---
+name: CD 🚀
+on:
+  release:
+    types: [published]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./api
+          push: true
+          tags: latest

.github/workflows/CI.yml

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+---
+name: CI ⚙️
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: lint
+        uses: super-linter/super-linter@v5
+        env:
+          VALIDATE_ALL_CODEBASE: false
+          DEFAULT_BRANCH: main
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  test:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - uses: actions/checkout@v4
+      - name: test
+        run: |
+          cd api
+          dotnet test
+
+  build:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - uses: actions/checkout@v4
+      - name: build
+        run: |
+          cd api
+          docker build .