readme added

readme.md

+# Dead Letter Queue Management Tool
+
+This Java application simplifies the process of managing Dead Letter Queues (DLQs) in RabbitMQ. It automates the creation, configuration, and removal of DLQs and associated policies.
+
+## Usage
+
+**java -jar .\build\libs\dead-letter-0.0.1-SNAPSHOT.jar  
+or  
+run.bat**
+
+- reads all queue
+- creates dead letter exchange DLX
+- creates dead letter queues for all the queues
+- sets dead letter policies for the queues
+
+
+**java -jar .\build\libs\dead-letter-0.0.1-SNAPSHOT.jar remove  
+or  
+run-remove.bat**
+
+- reads all dead letter queue that starts with 'dl-'
+- removes letter exchange DLX
+- removes dead letter policies
+
+
+java -jar .\build\libs\dead-letter-0.0.1-SNAPSHOT.jar <queue_name>
+
+- reads queue <queue_name>
+- creates dead letter exchange DLX
+- creates dead letter queues for <queue_name> as dl-<queue_name>
+- sets dead letter policy for <queue_name>
+