ci: add lint job

Author: alxndrsn

.github/workflows/ci.yml

@@ -6,7 +6,21 @@ permissions:
   contents: read
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: yarn
+      - run: yarn install
+      - run: yarn lint
   build:
+    needs: lint
     runs-on: ubuntu-latest
     services:
       postgres: