♻ Refactor items and services endpoints to return count and data, and add CI tests (#599)

Co-authored-by: Esteban Maya Cadavid <emaya@trueblue.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

.github/workflows/test.yaml

@@ -0,0 +1,37 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+
+  test:
+    runs-on: ubuntu-latest
+    defaults:
+        run:
+            working-directory: src
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Docker Compose build
+        run: docker compose build
+      - name: Docker Compose remove old containers and volumes 
+        run: docker compose down -v --remove-orphans
+      - name: Docker Compose up
+        run: docker compose up -d
+      - name: Docker Compose run tests
+        run: docker compose exec -T backend bash /app/tests-start.sh
+      - name: Docker Compose cleanup
+        run: docker compose down -v --remove-orphans