⭐ feat: Upgrade to asynchronous event bus with retry queue and backoff strategy (#290)

## Description
<!-- Briefly describe the purpose and scope of your changes -->


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Introduced a retry and dead-letter queue system for more robust event
processing.
- Added a retry handler for processing failed Lambda invocations with
exponential backoff.
- Enhanced event handling to support retry logic and improved error
management.

- **Refactor**
- Replaced SQS-based library event processing with an event bus-based
approach.
- Updated event names and structure for improved clarity and
consistency.
  - Removed legacy library queue and related infrastructure.

- **Chores**
  - Updated dependencies to include the AWS Lambda client.
  - Cleaned up unused code and removed deprecated event handling logic.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

sst-env.d.ts

@@ -40,6 +40,10 @@ declare module "sst" {
       "type": "sst.sst.Secret"
       "value": string
     }
+    "Dlq": {
+      "type": "sst.aws.Queue"
+      "url": string
+    }
     "Email": {
       "configSet": string
       "sender": string
@@ -53,14 +57,6 @@ declare module "sst" {
       "type": "sst.sst.Secret"
       "value": string
     }
-    "LibraryDLQ": {
-      "type": "sst.aws.Queue"
-      "url": string
-    }
-    "LibraryQueue": {
-      "type": "sst.aws.Queue"
-      "url": string
-    }
     "NestriFamilyMonthly": {
       "type": "sst.sst.Secret"
       "value": string
@@ -94,6 +90,10 @@ declare module "sst" {
       "endpoint": string
       "type": "sst.aws.Realtime"
     }
+    "RetryQueue": {
+      "type": "sst.aws.Queue"
+      "url": string
+    }
     "SteamApiKey": {
       "type": "sst.sst.Secret"
       "value": string