fix(index): add links

Author: ximinng

index.html

@@ -104,6 +104,9 @@ <h3>Technical Report</h3>
                 <div class="col col-lg-2">
                     <a id="demo" href="https://huggingface.co/tencent/HunyuanImage-2.1/tree/main/reprompt">Model</a>
                 </div>
+                <div class="col col-lg-2">
+                    <a id="demo" style="width: 160px;" href="https://huggingface.co/datasets/PromptEnhancer/T2I-Keypoints-Eval">Benchmark</a>
+                </div>
                 <div class="col col-lg-2">
                     <a id="zhihu" href="https://zhuanlan.zhihu.com/p/1949013083109459515">知乎</a>
                 </div>