test: add regression test that verifies if the package is built corre…

…ctly

.github/workflows/building.yaml

@@ -0,0 +1,43 @@
+name: 'Building'
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
+jobs:
+  econnect:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: |
+            3.11
+
+      - name: Upgrade pip and install required tools
+        run: |
+          pip install --upgrade pip
+          pip install hatch
+
+      - name: Build the package
+        run: hatch build
+
+      - name: Install the package
+        run: pip install dist/*.tar.gz
+
+      - name: Test if the package is built correctly
+        run: python -c "import elmo"