Add woodpecker CI configuration

.woodpecker/lint.yaml

@@ -0,0 +1,19 @@
+when:
+  - event: push
+    branch: main
+  - event: pull_request
+
+steps:
+  - name: python linting
+    image: python:3.11
+    commands:
+      - pip install uv
+      - uv sync --extra testing --extra ci
+      - ./.venv/bin/ruff check src/
+      - ./.venv/bin/ruff format --check src/
+
+  - name: javascript linting
+    image: node:lts
+    commands:
+      - npm install
+      - npm run lint