added myself to the unassigned volunteers list in ./documentation/directory.md (#23)

Co-authored-by: ashwinkjoseph <ashwinkjoseph>

Author: ashwinkjoseph

documentation/directory.md

@@ -45,3 +45,4 @@ Each project keeps its own team directory [inside its main repository](https://g
 | [Alberto Llamas](https://app.slack.com/team/U010F9N6YD7) | AWS, Python, Go, docker, kubernetes, SRE in general | my [bio](http://wecloudpro.com)|
 | [Mike Barker](https://app.slack.com/team/U01011R4WG4) | scrum master / project manager | not a developer |
 | [Jacob Anavisca](https://app.slack.com/team/U01101ZFS9K) | AWS / GCP ||
+| [Joseph Ashwin](https://helpfulengineering.slack.com/team/U010ZPFB38V) | AWS (EBS, EC2, RDS, S3) / GCP (GAE, Cloud SQL, Compute Engine, Storage, Firestore, Cloud Functions) / Firebase (All Services) / Python (Core, Flask, Django) / Node.js (Express.js, Hapi) / PHP (Laravel, Codeignitor, Core) / React / Mobile (React Native) / CI/CD (Gitlab CI/CD) | Interested in and Learning DevOps tools like Kubernetes, Ansible, would love to work on them, Also a blockchain enthusiast, still learning but have developed apps on Ethereum and Quarum networks. My [Bio](https://drive.google.com/open?id=1ahxcLoFCTOULmBum6P_OTZSam1rwuOU1) |