Add Unit Tests (#4)

.github/workflows/pre-commit.yml

@@ -0,0 +1,21 @@
+name: Pre-commit
+
+on: [push, pull_request]
+
+jobs:
+  run:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: True
+      matrix:
+        os: [ubuntu-latest]
+    env:
+      OS: ${{ matrix.os }}
+      PYTHON: '3.10'
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup Python
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.10'
+