fix the export ecs docker flags (#5)

Author: sannya-singal

README.md

@@ -170,7 +170,7 @@ First, we need to configure LocalStack to enable remote debugging of Node.js app
 the `ECS_DOCKER_FLAGS` to enable the debugger using `NODE_OPTIONS`:
 
    ```bash
-    export ECS_DOCKER_FLAGS="e NODE_OPTIONS=--inspect-brk=0.0.0.0:9229 -p 9229:9229
+    export ECS_DOCKER_FLAGS="-e NODE_OPTIONS=--inspect-brk=0.0.0.0:9229 -p 9229:9229"
   ```
 
 2️⃣ **Adding a Task to Wait for Remote Debugger Server** 🕰️