Revert "Update MCP button link to use custom HF Space domain"

This reverts commit e6f71d7c825c7c581b7f5b596fa9c49485afa043.

app.py

@@ -215,7 +215,7 @@ with gr.Blocks(title="Web Search MCP Server") as demo:
     gr.HTML(
         """
         <div style="margin-bottom: 24px;">
-            <a href="https://victor-websearch.hf.space?view=api">
+            <a href="https://huggingface.co/spaces/victor/websearch?view=api">
                 <img src="https://huggingface.co/datasets/huggingface/badges/resolve/main/use-with-mcp-lg-dark.svg" 
                      alt="Use with MCP" 
                      style="height: 36px;">