Order tasks by due date

Closes #19

src/taskflower/auth/permission/lookups.py

@@ -35,6 +35,10 @@ def get_tasks_for_user(user: User) -> list[Task]:
 		NamespaceRole.id == UserToNamespaceRole.role
 	).filter(
 		UserToNamespaceRole.user == user.id
+	).order_by(
+		Task.complete.asc()
+	).order_by(
+		Task.due.asc()
 	).all()
 
 def namespaces_where_user_can(

src/taskflower/web/namespace/__init__.py

@@ -74,6 +74,10 @@ def get(id: int):
 			Task
 		).filter(
 			Task.namespace == ns.id
+		).order_by(
+			Task.complete.asc()
+		).order_by(
+			Task.due.asc()
 		).all()
 
 		return gather_successes(