feat(docs): Update documentation to include consolidated email handling and pattern‑based routing details

ts/security/classes.securitylogger.ts

@@ -18,10 +18,14 @@ export enum SecurityEventType {
   AUTHENTICATION = 'authentication',
   ACCESS_CONTROL = 'access_control',
   EMAIL_VALIDATION = 'email_validation',
+  EMAIL_PROCESSING = 'email_processing',
+  EMAIL_FORWARDING = 'email_forwarding',
+  EMAIL_DELIVERY = 'email_delivery',
   DKIM = 'dkim',
   SPF = 'spf',
   DMARC = 'dmarc',
   RATE_LIMIT = 'rate_limit',
+  RATE_LIMITING = 'rate_limiting',
   SPAM = 'spam',
   MALWARE = 'malware',
   CONNECTION = 'connection',