chore: init commit

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

worker-toolkit-stocks-in-the-future/repo/db/migrate/20251205031119_create_grades.rb

@@ -0,0 +1,37 @@
+class CreateGrades < ActiveRecord::Migration[8.1]
+  def change
+    create_table :grades do |t|
+      t.string :name, null: false
+      t.integer :level, null: false
+      t.timestamps
+    end
+
+    add_index :grades, :level, unique: true
+    add_index :grades, :name, unique: true
+
+    reversible do |dir|
+      dir.up do
+        grades = [
+          { name: "Kindergarten", level: 0 },
+          { name: "1st Grade",    level: 1 },
+          { name: "2nd Grade",    level: 2 },
+          { name: "3rd Grade",    level: 3 },
+          { name: "4th Grade",    level: 4 },
+          { name: "5th Grade",    level: 5 },
+          { name: "6th Grade",    level: 6 },
+          { name: "7th Grade",    level: 7 },
+          { name: "8th Grade",    level: 8 },
+          { name: "9th Grade",    level: 9 },
+          { name: "10th Grade",   level: 10 },
+          { name: "11th Grade",   level: 11 },
+          { name: "12th Grade",   level: 12 },
+        ]
+
+        Grade.upsert_all(
+          grades,
+          unique_by: :level
+        )
+      end
+    end
+  end
+end