Changes made thanks to blake reviews

backend/models/resource_model.py

@@ -4,6 +4,7 @@ from typing import List
 from datetime import datetime
 from typing import Optional
 from .enum_for_models import ProgramTypeEnum
+from .resource_model import Resource
 
 
 class Resource(BaseModel):

backend/models/tag_model.py

@@ -6,7 +6,7 @@ from typing import Optional
 
 
 class Tag(BaseModel):
-    id: int
+    id: int | None = None
     content: str = Field(
         ..., max_length=600, description="content associated with the tag"
     )