feat: add Tadabase

Author: valentin-vogel

README.md

@@ -109,6 +109,7 @@ Not sure, if awesome or not? [Add to under consideration list](https://github.co
 - [Skuid](https://www.skuid.com/) - Create Salesforce apps faster and with less custom code.
 - [Stacker](https://www.stackerhq.com/) - Turn your spreadsheets into applications.
 - [Structr](https://structr.com/) - Open Source lowcode platform for semantic apps based on graph technology.
+- [Tadabase](https://tadabase.io/) - Create custom database web apps in minutes.
 - [Thunkable](https://thunkable.com/) - Mobile app builder.
 
 ## Landing Pages