Add WafPolicies

db/migrate/20251110023232_add_waf_policy_to_rules.rb

@@ -0,0 +1,6 @@
+class AddWafPolicyToRules < ActiveRecord::Migration[8.1]
+  def change
+    add_reference :rules, :waf_policy, null: true, foreign_key: true
+    add_index :rules, :waf_policy_id, name: "idx_rules_waf_policy"
+  end
+end