Add build and test step to github workflow

.github/workflows/test.yml

@@ -15,6 +15,23 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  build:
+    name: Build Package
+    runs-on: ubuntu-20.04
+    timeout-minutes: 5
+    steps:
+      - name: Set Up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.12'
+      - name: Check out code
+        uses: actions/checkout@v4
+      - name: Install build dependencies
+        run: pip install build twine
+      - name: Build package
+        run: python -m build .
+      - name: Twine Check
+        run: twine check dist/*
   test:
     name: Run pytest
     runs-on: ubuntu-20.04