Merge pull request #155 from suyua9/docs/fix-python-install-name-suyua9

docs: fix Python package name in getting started

Author: nullure

docs/getting-started.md

@@ -6,7 +6,7 @@ OpenMemory provides a drop-in, SQL-native long-term memory layer for your AI age
 
 ### Python
 ```bash
-pip install openmemory
+pip install openmemory-py
 ```
 
 ### Node.js