add batch

http-api/app/models.py

@@ -1,4 +1,4 @@
-from typing import Annotated
+from typing import Annotated, Literal
 from uuid import uuid4
 
 from layercake.extra_types import CnpjStr, CpfStr, NameStr
@@ -37,3 +37,11 @@ class Course(BaseModel):
     name: str
     cert: Cert | None = None
     access_period: int = 90  # 3 months
+
+
+class Enrollment(BaseModel):
+    id: UUID4 = Field(default_factory=uuid4)
+    user: User
+    course: Course
+    progress: int = Field(default=0, ge=0, le=100)
+    status: Literal['PENDING'] = 'PENDING'