Update model metadata to set pipeline tag to the new `text-ranking` and library name to `sentence-transformers` (#2)

- Update model metadata to set pipeline tag to the new `text-ranking` and library name to `sentence-transformers` (521e9312f19d71e732a2b2e4f8c6a857c2dedac0)


Co-authored-by: Tom Aarsen <[email protected]>

README.md

@@ -2,6 +2,8 @@
 license: mit
 language:
 - it
+library_name: sentence-transformers
+pipeline_tag: text-ranking
 ---
 
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