Update documentation: Replace Qdrant with Supabase references

- Updated vector store provider references throughout documentation
- Changed default vector store from Qdrant to Supabase (pgvector)
- Updated configuration examples to use Supabase connection strings
- Modified navigation structure to remove qdrant-specific references
- Updated examples in mem0-with-ollama and llama-index integration
- Corrected API reference and architecture documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

docs/open-source/python-quickstart.mdx

@@ -45,17 +45,16 @@ m = AsyncMemory()
   <Tab title="Advanced">
 If you want to run Mem0 in production, initialize using the following method:
 
-Run Qdrant first:
+Run Supabase first:
 
 ```bash
-docker pull qdrant/qdrant
+# Ensure you have Supabase running locally
+# See https://supabase.com/docs/guides/self-hosting/docker for setup
 
-docker run -p 6333:6333 -p 6334:6334 \
-    -v $(pwd)/qdrant_storage:/qdrant/storage:z \
-    qdrant/qdrant
+docker compose up -d
 ```
 
-Then, instantiate memory with qdrant server:
+Then, instantiate memory with Supabase server:
 
 ```python
 import os
@@ -65,10 +64,10 @@ os.environ["OPENAI_API_KEY"] = "your-api-key"
 
 config = {
     "vector_store": {
-        "provider": "qdrant",
+        "provider": "supabase",
         "config": {
-            "host": "localhost",
-            "port": 6333,
+            "connection_string": "postgresql://supabase_admin:your_password@localhost:5435/postgres",
+            "collection_name": "memories",
         }
     },
 }