Fix mem0 README: use relative link to sample

Author: eavanvalkenburg

python/packages/mem0/README.md

@@ -12,7 +12,7 @@ The Mem0 context provider enables persistent memory capabilities for your agents
 
 ### Basic Usage Example
 
-See the [Mem0 basic example](https://github.com/microsoft/agent-framework/tree/main/python/samples/getting_started/sessions/mem0/mem0_basic.py) which demonstrates:
+See the [Mem0 basic example](../../samples/getting_started/sessions/mem0/mem0_basic.py) which demonstrates:
 
 - Setting up an agent with Mem0 context provider
 - Teaching the agent user preferences