CCM-14044 Adding eventpub anom alarms config

Author: aidenvaines-cgi

infrastructure/terraform/modules/eventpub/README.md

@@ -1,44 +1,3 @@
-# EventPub Module
-
-## Overview
-
-The `eventpub` module provides a centralized event publishing infrastructure for NHS Notify bounded contexts. It creates an SNS topic with configurable subscribers (Lambda, Firehose, SQS) and includes comprehensive monitoring via CloudWatch alarms.
-
-```
-┌─────────────────┐
-│ Service Lambda  │
-│   (Publisher)   │
-└────────┬────────┘
-         │ publishes to
-         ▼
-┌─────────────────────────┐
-│     SNS Topic           │
-│  (eventpub module)      │
-│                         │
-│ - Anomaly Detection     │
-│ - Delivery Logging      │
-│ - KMS Encryption        │
-└─────────┬───────────────┘
-          │ fan-out to:
-          ├─────────────────────────┐
-          │                         │
-          ▼                         ▼
-┌─────────────────┐     ┌──────────────────┐
-│ Kinesis         │     │ EventBridge      │
-│ Firehose        │     │ Rules            │
-│   ↓ S3          │     │   ↓ Subscribers  │
-│ (Event Cache)   │     │   (SQS/Lambda)   │
-└─────────────────┘     └──────────────────┘
-          │                         │
-          ▼                         ▼
-┌─────────────────┐     ┌──────────────────┐
-│ CloudWatch      │     │ CloudWatch       │
-│ - DLQ Alarm     │     │ - Anomaly        │
-│ - Delivery      │     │   Detection      │
-│   Failures      │     │                  │
-└─────────────────┘     └──────────────────┘
-```
-
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