chore: init commit

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

worker-toolkit-stocks-in-the-future/repo/app/models/portfolio_snapshot.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class PortfolioSnapshot < ApplicationRecord
+  belongs_to :portfolio
+
+  validates :date, presence: true
+  validates :worth_cents, presence: true, numericality: { greater_than_or_equal_to: 0 }
+  validates :portfolio_id, uniqueness: { scope: :date }
+
+  def current_worth
+    worth_cents / 100.0
+  end
+end