fix: add sync param

pyproject.toml

 [tool.poetry]
 name = "semantic-router"
-version = "0.0.50"
+version = "0.0.51"
 description = "Super fast semantic router for AI decision making"
 authors = [
     "James Briggs <james@aurelio.ai>",

semantic_router/index/qdrant.py

@@ -165,8 +165,11 @@ class QdrantIndex(BaseIndex):
         embeddings: List[List[float]],
         routes: List[str],
         utterances: List[str],
+        sync: bool = False,
         batch_size: int = DEFAULT_UPLOAD_BATCH_SIZE,
     ):
+        if sync:
+            raise NotImplementedError("Sync add is not implemented for QdrantIndex")
         self.dimensions = self.dimensions or len(embeddings[0])
         self._init_collection()