Add support for neo4j database (#2644)

mem0/graphs/configs.py

@@ -9,6 +9,7 @@ class Neo4jConfig(BaseModel):
     url: Optional[str] = Field(None, description="Host address for the graph database")
     username: Optional[str] = Field(None, description="Username for the graph database")
     password: Optional[str] = Field(None, description="Password for the graph database")
+    database: Optional[str] = Field(None, description="Database for the graph database")
 
     @model_validator(mode="before")
     def check_host_port_or_path(cls, values):

mem0/memory/graph_memory.py

@@ -33,8 +33,9 @@ class MemoryGraph:
             self.config.graph_store.config.url,
             self.config.graph_store.config.username,
             self.config.graph_store.config.password,
+            self.config.graph_store.config.database,
             refresh_schema=False,
-            driver_config={"notifications_min_severity":"OFF"}
+            driver_config={"notifications_min_severity":"OFF"},
         )
         self.embedding_model = EmbedderFactory.create(
             self.config.embedder.provider, self.config.embedder.config, self.config.vector_store.config