moved models to separate folder

app/models/advanced_options.py

@@ -0,0 +1,12 @@
+from pydantic import BaseModel
+from typing import List, Optional, Dict
+
+class AdvancedOptions(BaseModel):
+  # will supported currently
+  linearity_check: bool
+  show_progress: bool
+  max_solution_time: Optional[int]
+  brand_bound_tolerance: Optional[float]
+  max_forms: Optional[int]
+  precision: Optional[float]
+  extra_param_range: Optional[List[Dict]]