feat(stores): Adds Qdrant vector store backend

Signed-off-by: Anush008 <mail@anush.sh>

(cherry picked from commit 2f556b67f5)
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

website/data/engines.yaml

@@ -267,7 +267,7 @@ engines:
       - Ships in-tree and is the default, so embeddings work on a fresh install
       - Exact cosine similarity, zero configuration
       - Backs RAG, the face and voice registries and the semantic router cache
-      - Swap in valkey-store per request when you need durability
+      - Swap in valkey-store or qdrant-store per request when you need durability
 
   - name: apex-quant
     tagline: Fit a 35B mixture-of-experts model on a card you already own, and watch it run faster than the full-size build.