feat(devops): adds GH workflows

.github/workflows/test.yaml

@@ -0,0 +1,81 @@
+on: ["push", "pull_request"]
+
+name: Test
+
+concurrency:
+  # Cancel older, in-progress jobs from the same PR, same workflow.
+  # use run_id if the job is triggered by a push to ensure
+  # push-triggered jobs to not get canceled.
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+    linting:
+        runs-on: ubuntu-latest
+
+        steps:
+        - uses: actions/checkout@v3
+
+        - name: Setup Python
+          uses: actions/setup-python@v4
+          with:
+              python-version: "3.10"
+
+        - name: Install Dependencies
+          run: |
+            python -m pip install --upgrade pip
+            pip install .[lint]
+
+        - name: Run Black
+          run: black --check .
+
+        - name: Run isort
+          run: isort --check-only .
+
+        - name: Run flake8
+          run: flake8 .
+
+    type-check:
+        runs-on: ubuntu-latest
+
+        steps:
+        - uses: actions/checkout@v3
+
+        - name: Setup Python
+          uses: actions/setup-python@v4
+          with:
+              python-version: "3.10"
+
+        - name: Install Dependencies
+          run: |
+            python -m pip install --upgrade pip
+            pip install .[dev]
+
+        - name: Run MyPy
+          run: mypy .
+
+    test:
+        runs-on: ${{ matrix.os }}
+
+        strategy:
+            matrix:
+                os: [ubuntu-latest, macos-latest]   # eventually add `windows-latest`
+                python-version: [3.8, 3.9, "3.10", "3.11"]
+
+        steps:
+        - uses: actions/checkout@v3
+          with:
+            fetch-depth: 0
+
+        - name: Setup Python
+          uses: actions/setup-python@v4
+          with:
+              python-version: ${{ matrix.python-version }}
+
+        - name: Install Dependencies
+          run: |
+            python -m pip install --upgrade pip
+            pip install .[dev]
+
+        - name: Run Tests
+          run: pytest