Add NEXT JS Build cache

.github/workflows/build.yaml

@@ -1,3 +1,4 @@
+---
 name: Build
 
 on:
@@ -20,5 +21,18 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
+
+      # https://nextjs.org/docs/pages/building-your-application/deploying/ci-build-caching#github-actions
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ~/.npm
+            ${{ github.workspace }}/.next/cache
+
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx') }}
+          restore-keys: |
+            ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-
+
+
       - run: npm ci
       - run: npm run build