ci: add GitHub Action for CI checks and associated scripts

- Added prettier, type-check scripts to package.json
- Configured GitHub Action to run checks on push and PRs to main branch

.github/workflows/ci.yml

@@ -0,0 +1,46 @@
+name: CI Checks
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    branches:
+      - 'main'
+
+jobs:
+  checks:
+    name: Run Checks & Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run Linter
+        run: pnpm run lint
+
+      - name: Check Prettier
+        run: pnpm run prettier
+
+      - name: TypeScript Type Check
+        run: pnpm run type-check
+
+      - name: Run test suite
+        run: pnpm test
+
+      - name: Build
+        run: pnpm run build

.prettierignore

@@ -33,3 +33,6 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# pnpm
+pnpm-lock.yaml

package.json

@@ -7,6 +7,9 @@
     "build": "next build",
     "start": "next start",
     "lint": "next lint",
+    "prettier": "pnpm exec prettier . --check",
+    "prettier:fix": "pnpm exec prettier . --write",
+    "type-check": "tsc --noEmit",
     "test": "jest",
     "test:watch": "jest --watchAll"
   },