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/quickstart.mdx

@@ -7,7 +7,7 @@ description: 'Get your Mem0 Memory System running in under 5 minutes'
 
 <CardGroup cols={2}>
   <Card title="Docker & Docker Compose" icon="docker">
-    Required for Neo4j and Qdrant containers
+    Required for Neo4j container (Supabase already running)
   </Card>
   <Card title="Python 3.10+" icon="python">
     For the mem0 core system and API
@@ -19,9 +19,13 @@ description: 'Get your Mem0 Memory System running in under 5 minutes'
 ### Step 1: Start Database Services
 
 ```bash
-docker compose up -d neo4j qdrant
+docker compose up -d neo4j
 ```
 
+<Note>
+Supabase is already running as part of your existing infrastructure on the localai network.
+</Note>
+
 ### Step 2: Test Your Installation
 
 ```bash