Add User schema

schemas/user.py

@@ -0,0 +1,25 @@
+from pydantic import BaseModel, Field
+from typing import Optional
+
+class UserBase(BaseModel):
+    name: Optional[str] = Field(None, min_length=1, max_length=100, description="User's name")
+
+class UserCreate(UserBase):
+    class Config:
+        schema_extra = {
+            "example": {
+                "name": "John Doe"
+            }
+        }
+
+class User(UserBase):
+    id: int
+    
+    class Config:
+        orm_mode = True
+        schema_extra = {
+            "example": {
+                "id": 1,
+                "name": "John Doe"
+            }
+        }