ci: define initial CI pipeline

.github/renovate.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base",
+    ":automergeMinor",
+    ":automergePatch",
+    ":automergePr",
+    ":automergeRequireAllStatusChecks",
+    ":semanticCommits"
+  ],
+  "platformAutomerge": true
+}

.github/renovate.json.license

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+SPDX-FileCopyrightText: 2024 Artemis UniPassau Utility Scripts Contributors
+
+SPDX-License-Identifier: CC0-1.0

.github/workflows/lint.yml

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+# SPDX-FileCopyrightText: 2024 Artemis UniPassau Utility Scripts Contributors
+#
+# SPDX-License-Identifier: EUPL-1.2
+
+name: Lint
+on: [push, pull_request]
+
+jobs:
+  ci:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11", "3.12"]
+        poetry-version: ["latest"]
+        os: ["ubuntu-latest"]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Setup Poetry
+        uses: abatilo/[email protected]
+        with:
+          poetry-version: ${{ matrix.poetry-version }}
+
+      - name: Install dependencies
+        run: poetry install
+
+      - name: Check imports with isort
+        run: poetry run isort --check-only src --profile black
+
+      - name: Check formatting with black
+        run: poetry run black --diff --check src
+
+      - name: Check typing with mypy
+        run: poetry run mypy src
+
+      - name: General linting with ruff
+        run: poetry run ruff src
+
+      - name: Check reuse
+        run: poetry run reuse lint