ci: add prettier

Author: kantord

.eslintrc.json

@@ -5,7 +5,7 @@
             "rootDir": "./apps/librelingo-web/src"
         }
     },
-    "ignorePatterns": ["playwright-report"],
+    "ignorePatterns": ["playwright-report", "apps/librelingo-web/out"],
     "rules": {
         "@next/next/no-html-link-for-pages": "off"
     }

.github/workflows/lint.yml

@@ -0,0 +1,19 @@
+name: Lint (node)
+on:
+    push:
+        branches: [main]
+    pull_request:
+        branches: [main]
+jobs:
+    test:
+        timeout-minutes: 60
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 22
+            - name: Install dependencies
+              run: npm ci
+            - name: Run lint checks
+              run: npm run lint

.github/workflows/playwright.yml

@@ -1,9 +1,9 @@
 name: Playwright Tests
 on:
     push:
-        branches: [main, master]
+        branches: [main]
     pull_request:
-        branches: [main, master]
+        branches: [main]
 jobs:
     test:
         timeout-minutes: 60

package.json

@@ -14,7 +14,9 @@
         "e2e:test": "playwright test",
         "e2e:ui": "playwright test --ui",
         "e2e:report": "playwright show-report",
-        "lint": "eslint .",
+        "lint": "npm run lint:eslint && npm run lint:prettier",
+        "lint:eslint": "eslint .",
+        "lint:prettier": "npx prettier --check .",
         "format": "npx prettier . --write",
         "course:build": "./scripts/exportYamlCourse.sh"
     },