ci: add github workflow

Author: urish

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  lint-and-build:
+    runs-on: ubuntu-24.04
+    
+    strategy:
+      matrix:
+        node-version: [20, 22, 24]
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+        
+    - name: Install dependencies
+      run: npm ci
+      
+    - name: Run ESLint
+      run: npm run lint
+      
+    - name: Build Storybook
+      run: npm run storybook:build
+      
+    - name: Upload Storybook build artifacts
+      uses: actions/upload-artifact@v4
+      if: matrix.node-version == 20
+      with:
+        name: storybook-build
+        path: storybook-static/
+        retention-days: 30