Starting companies and admin

db/migrate/20220208164226_create_users_and_companies.rb

@@ -0,0 +1,8 @@
+class CreateUsersAndCompanies < ActiveRecord::Migration[7.0]
+  def change
+    create_table :companies_users, id: false do |t|
+        t.belongs_to :user
+        t.belongs_to :company
+    end
+  end
+end