Add prettier check to CI

.github/workflows/frontend-checks.yml

@@ -2,34 +2,30 @@ name: Check frontend
 
 on:
   push:
-    paths:
+    paths-ignore:
-      - '.github/workflows/frontend-checks.yml'
+      - '**.lock'
-      - 'src/**'
+      - '**.rs'
-      - '.eslintrc.json'
+      - '**.toml'
-      - 'package.json'
-      - 'tsconfig.json'
-      - 'yarn.lock'
   pull_request:
-    paths:
+    paths-ignore:
-      - '.github/workflows/frontend-checks.yml'
+      - '**.lock'
-      - 'src/**'
+      - '**.rs'
-      - '.eslintrc.json'
+      - '**.toml'
-      - 'package.json'
-      - 'tsconfig.json'
-      - 'yarn.lock'
 
 concurrency:
   group: ${{ github.ref }}-${{ github.workflow }}
   cancel-in-progress: true
 
 jobs:
-  tsc-eslint-checks:
+  prettier-tsc-eslint-checks:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
 
       - name: Install modules
         run: yarn
+      - name: Run prettier
+        run: yarn prettier --check .
       - name: Run tsc
         run: yarn tsc --noEmit
       - name: Run ESLint