devcontainer, proper CI/CD, etc etc

.woodpecker/ci.yaml

@@ -0,0 +1,33 @@
+# CI: lint and format check. Runs on every PR and every push to main.
+when:
+  - event: pull_request
+  - branch: main
+    event: push
+
+steps:
+  - name: install
+    image: node:22-alpine
+    commands:
+      - corepack enable
+      - corepack prepare pnpm@9.15.0 --activate
+      - pnpm install --frozen-lockfile
+
+  - name: lint
+    image: node:22-alpine
+    commands:
+      - corepack enable
+      - corepack prepare pnpm@9.15.0 --activate
+      - pnpm install --frozen-lockfile
+      - pnpm lint
+    depends_on:
+      - install
+
+  - name: format check
+    image: node:22-alpine
+    commands:
+      - corepack enable
+      - corepack prepare pnpm@9.15.0 --activate
+      - pnpm install --frozen-lockfile
+      - pnpm format:check
+    depends_on:
+      - install