started implementing teams

db/migrate/20150128084834_create_internal_users_teams.rb

@@ -0,0 +1,8 @@
+class CreateInternalUsersTeams < ActiveRecord::Migration
+  def change
+    create_table :internal_users_teams do |t|
+      t.belongs_to :internal_user, index: true
+      t.belongs_to :team, index: true
+    end
+  end
+end