Merge pull request #346 from xinran-waibel/update-det-links

Update DET community links

Author: ry-v1

communities.md

@@ -3,7 +3,7 @@
 - [EcZachly Data Engineering Discord](https://discord.gg/JGumAXncAK)
 - [AdalFlow Discord (LLM Library)](https://discord.com/invite/ezzszrRZvT)
 - [Chip Huyen MLOps Discord](https://discord.gg/dzh728c5t3)
-- [Data Engineer Things Community](https://www.dataengineerthings.org/aboutus/)
+- [Data Engineer Things Community](https://www.dataengineerthings.org/)
 - [DBT Community](https://www.getdbt.com/community/join-the-community/)
 - [r/dataengineering](https://www.reddit.com/r/dataengineering)
 - [Microsoft Fabric Community](https://community.fabric.microsoft.com/)

newsletters.md

@@ -24,3 +24,4 @@
 - [Ju Data Engineering Weekly](https://juhache.substack.com/)
 - [From An Engineer Sight](https://fromanengineersight.substack.com/)
 - [Data Engineering Community](https://dataengineeringcommunity.substack.com/)
+- [Data Engineer Things](https://dataengineerthings.substack.com/)