Add GET endpoint for states

endpoints/states.get.py

@@ -0,0 +1,17 @@
+# Entity: State
+
+from fastapi import APIRouter, Depends, status
+from sqlalchemy.orm import Session
+from typing import List
+from core.db.database import get_db
+from core.models.state import State
+from core.schemas.state import StateSchema
+
+router = APIRouter()
+
+@router.get("/states", status_code=200, response_model=List[StateSchema])
+async def get_states(
+    db: Session = Depends(get_db)
+):
+    states = db.query(State).all()
+    return states