replace secrets with .env file (#27)

Author: Skn0tt

.github/workflows/playwright.yml

@@ -19,11 +19,10 @@ jobs:
       run: cd movies-app && npm ci
     - name: Install Playwright Browsers
       run: npx playwright install --with-deps
+    - name: Setup .env file with mock credentials
+      run: cp .env.example .env
     - name: Run Playwright tests
       run: npm run test
-      env:
-        MOVIES_USERNAME: ${{ secrets.MOVIES_USERNAME }}
-        MOVIES_PASSWORD: ${{ secrets.MOVIES_PASSWORD }}
     - uses: actions/upload-artifact@v4
       if: ${{ !cancelled() }}
       with: