Update doxygen.yml

Add deploy step

Author: Myzhar

.github/workflows/doxygen.yml

@@ -16,3 +16,8 @@ jobs:
           doxyfile-path: './doxyfile' 
       - run: ls -la doc
       - run: ls -la doc/html
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./public