Update projects.md (swift-server#337)

Co-authored-by: Sébastien Stormacq <[email protected]>

Author: finestructure

projects.md

@@ -5,4 +5,5 @@ Here you will find a list of code repositories that has in common the usage of t
 Provide a link to your code repository and a short description about your example.
 
 - [GlobantPlus](https://github.com/fitomad/TechTalk-AWS-Lamba-Swift/). An imaginary streaming services with a tvOS application that interacts with the AWS API Gateway, AWS SQS services and a set of Lambdas that cover different aspects. Repository's documentation available in Spanish🇪🇸 and English🇺🇸.
+- [DocUploader](https://github.com/SwiftPackageIndex/DocUploader). DocUploader is a component of the Swift Package Index site. It receives zipped DocC documentation archives which can be quite large via an S3 inbox and proceeds to unzip and upload the documentation files to S3.
 - [Vapor's PennyBot](https://github.com/vapor/penny-bot). A collections of lambdas that handle events from GitHub for automatically creating releases for Vapor, handling new sponsors, automatically answering questions on Discord and providing 'pennies' - internet karma - to community members who help others or contribute to Vapor.