add CI

Author: JamesEarle

.circleci/config.yml

@@ -0,0 +1,27 @@
+version: 2.1
+
+orbs:
+  node: circleci/node@4.7.0
+
+defaults: &defaults
+  working_directory: ~/repo
+  docker:
+    - image: cimg/node:20.17.0
+
+jobs:
+  lint and build:
+    <<: *defaults
+    steps:
+      - checkout
+      - node/install-packages:
+          pkg-manager: yarn
+      - run: yarn build
+      - run: yarn lint
+      - persist_to_workspace:
+          root: ~/repo
+          paths: [.]
+workflows:
+  version: 2
+  build:
+    jobs:
+      - lint and build