basic place geometry creation from initial query

src/geo_assistant/agent/state.py

@@ -1,10 +1,7 @@
 from langchain.agents import AgentState as BaseAgentState
 from geojson_pydantic import FeatureCollection
 from typing import Optional
-from pydantic import Field
 
 
 class AgentState(BaseAgentState):
-    feature_collection: Optional[FeatureCollection] = Field(
-        default=None, description="FeatureCollection to be used for the analysis"
-    )
+    place: Optional[FeatureCollection]