Add WAF to WP site

Task: add WAF service to WP site Implementation steps: Create WebACLAdd rulesets:AWS-AWSManagedRulesCommonRuleSetAWS-AWSManagedRulesWordPressRuleSetAWS-AWSManagedRulesSQLiRuleSetAWS-AWSManagedRulesPHPRuleSetAWS-AWSManagedRulesKnownBadInputsRuleSetDisable next rules in the AWS-AWSManagedRulesCommonRuleSet:SizeRestrictions_BODYGenericRFI_BODYCrossSiteScripting_BODYGenericRFI_QUERYARGUMENTSDone.