Update nextjs.yml

Author: tensorsofthewall

.github/workflows/nextjs.yml

@@ -29,6 +29,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
+    defaults: 
+      run:
+        working-directory: ./tensorsofthewall
+
     steps:
       - name: Checkout
         uses: actions/checkout@v3