Enh: Add data umbrella to list of users (#830)

add data umbrella to list of users

Author: reshamas

docs/project/implementations.md

@@ -11,6 +11,7 @@ list, please [edit this page](contribute)!
 - [all-contributors/all-contributors](https://github.com/all-contributors/all-contributors)
 - [cesar-richard/heimdal](https://github.com/cesar-richard/heimdal)
 - [cleodora-forecasting/cleodora](https://github.com/cleodora-forecasting/cleodora)
+- [data-umbrella/event-transcripts](https://github.com/data-umbrella/event-transcripts)
 - [gatewayapps/kamino](https://github.com/gatewayapps/kamino)
 - [gitcoinco/code_fund_ads](https://github.com/gitcoinco/code_fund_ads)
 - [GitPoint](https://github.com/gitpoint/git-point)