fix: Correct working directory and publish path in Docusaurus deployment workflow

Author: CodeWithSuleman

.github/workflows/deploy.yml

@@ -19,12 +19,14 @@ jobs:
 
     - name: Install deps
       run: npm install
+      working-directory: ./physical-AI-textbook
 
     - name: Build site
       run: npm run build
+      working-directory: ./physical-AI-textbook
 
     - name: Deploy
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./build
+        publish_dir: ./physical-AI-textbook/build