added token to request object, as well as created response object

app/models/form.py

@@ -0,0 +1,7 @@
+from pydantic import BaseModel
+from typing import List
+
+from models.item import Item
+
+class Form(BaseModel):
+  items: List[Item]

app/models/solve_request.py

@@ -7,7 +7,8 @@ from models.irt_model import IRTModel
 from models.objective_function import ObjectiveFunction
 from models.advanced_options import AdvancedOptions
 
-class SolverContent(BaseModel):
+class SolveRequest(BaseModel):
+  token: str
   items: List[Item]
   constraints: List[Constraint]
   irt_model: IRTModel

app/models/solve_response.py

@@ -0,0 +1,8 @@
+from pydantic import BaseModel
+from typing import List, Optional
+
+from models.form import Form
+
+class SolveResponse(BaseModel):
+  response_id: int
+  forms: List[Form]

app/models/targets.py

@@ -1,8 +1,8 @@
 from pydantic import BaseModel
 
 class Targets(BaseModel):
-  neg_2_5: int
-  neg_1_5: int
-  neg_0_5: int
-  _0_5: int
-  _1: int
+  n_2_5: int
+  n_1_5: int
+  n_0_5: int
+  p_0_5: int
+  p_1: int