chore: init commit

in worker.../repo/GITFOLDER.zip is the .git folder.

worker-toolkit-stocks-in-the-future/repo/app/policies/grade_book_policy.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class GradeBookPolicy < ApplicationPolicy
+  def update?
+    user_is_teacher_of_classroom? || user.admin?
+  end
+
+  def show?
+    user_is_teacher_of_classroom? || user.admin?
+  end
+
+  def finalize?
+    user.admin?
+  end
+
+  private
+
+  def user_is_teacher_of_classroom?
+    user.teacher? && record.classroom.teachers.include?(user)
+  end
+end