Add CI workflows for Gitea and GitHub

- Created a CI workflow for Gitea with linting and testing jobs using Python versions 3.10 to 3.13.
- Established a CI workflow for GitHub with similar linting and testing jobs, ensuring consistency across platforms.
- Both workflows utilize the `uv` tool for dependency management and testing, enhancing the project's CI/CD capabilities.

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+name: CI
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+      - name: Sync dependencies
+        run: uv sync --group dev
+      - name: Ruff lint
+        run: uv run ruff check --output-format=github .
+      - name: Ruff format check
+        run: uv run ruff format --check .
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Sync dependencies
+        run: uv sync --group dev
+      - name: Run tests
+        run: uv run pytest -q