add homie to the gang when homie is created

app/models/gang.rb

@@ -1,3 +1,3 @@
 class Gang < ApplicationRecord
-
+  has_many :homies
 end

app/models/homie.rb

@@ -2,6 +2,8 @@ class Homie < ApplicationRecord
   has_many :money_moves
   has_many :work
 
+  belongs_to :gang
+
   def self.info(importance)
     cash_totals = Homie.all.joins(:money_moves).group(:id).order(:id).sum(:amount)
     work_totals = Homie.all.joins(:work).group(:id).order(:id).sum(:amount)