Add lints/checks on PR/main

.github/workflows/lints_and_checks.yml

@@ -0,0 +1,39 @@
+name: Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main, "*" ]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: [ "3.11", "3.12", "3.13" ]
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install poetry
+          poetry install
+
+      - name: Run `pre-commit` and ensure no changes would be made
+        run: |
+          poetry run pre-commit run --all-files --show-diff-on-failure
+
+      - name: Run `mypy` and ensure no errors
+        run: |
+          poetry run mypy
+
+
+
+