Update README.md

feat: new comments on README.md

README.md

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 ## hub-delivery-api
-This API manages users, orders and other things of a food delivery.
+This API manages users, orders and other things of a food delivery.<br>
+**UNDER CONSTRUCTION**
 
 ## Stack
--> Node16+ with NestJs<br />
--> Lambda with DynamoDB and Api Gateway<br />
+-> Node16+ with [NestJs](https://nestjs.com/)<br />
+-> [Lambda](https://aws.amazon.com/lambda/) with [DynamoDB](https://aws.amazon.com/dynamodb/) and [Api Gateway](https://aws.amazon.com/api-gateway/)<br />
 -> Serverless framework<br />
 
 ## To run locally