Add `sentence-transformers` tag for better discoverability

README.md

@@ -9,6 +9,7 @@ pipeline_tag: feature-extraction
 library_name: transformers
 tags:
 - code
+- sentence-transformers
 ---
 <div align="center" style="display: flex; justify-content: center; align-items: center; gap: 20px;">
     <a href="https://github.com/codefuse-ai/CodeFuse-Embeddings/tree/main/" style="display: flex; align-items: center; text-decoration: none; color: inherit;">