Add basic CI/CD config with installation of dependencies and running linting

Author: Aksem

.github/workflows/ci-cd.yml

@@ -0,0 +1,55 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+    types: [opened, reopened]
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        os: [ubuntu-24.04, macos-13, windows-2022]
+        python-version: ["3.13"]
+        include:
+          - os: ubuntu-24.04
+            name: Linux
+          - os: macos-13
+            name: macOS
+          - os: windows-2022
+            name: Windows
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install poetry
+        run: pipx install poetry==2.1.2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "poetry"
+
+      - name: Install dependencies
+        run: |
+          poetry install
+        shell: bash
+
+      - name: Lint
+        run: |
+          poetry run python -m finecode run lint
+        shell: bash
+
+      # - name: Run unit tests
+      #   if: ${{ !cancelled() }}
+      #   run: |
+      #     poetry run python -m pytest tests/
+      #   shell: bash