started implementing teams

app/policies/team_policy.rb

@@ -0,0 +1,14 @@
+class TeamPolicy < ApplicationPolicy
+  [:create?, :index?, :new?].each do |action|
+    define_method(action) { @user.internal? }
+  end
+
+  [:destroy?, :edit?, :show?, :update?].each do |action|
+    define_method(action) { admin? || member? }
+  end
+
+  def member?
+    @record.members.include?(@user)
+  end
+  private :member?
+end