Add WebDB (#408)

* Add WebDB

* Add dot

* Update README.md

Improve description

* Update README.md

Fix ponctuation

README.md

@@ -84,6 +84,7 @@ For updates on `awesome-db-tools` and thoughts/news about databases/tools/SQL fo
 - [Toad Edge](https://www.toadworld.com/products/toad-edge) - Simplified database development tool for MySQL and Postgres.
 - [TOra](https://github.com/tora-tool/tora) - TOra is an open source SQL IDE for Oracle, MySQL and PostgreSQL dbs.
 - [Valentina Studio](https://www.valentina-db.com/en/valentina-studio-overview) - Create, administer, query and explore Valentina DB, MySQL, MariaDB, PostgreSQL and SQLite databases for FREE.
+- [WebDB](https://webdb.app) - Free Efficient Database IDE. Featuring Server Discovery, ERD, Data Generator, AI, NoSQL Structure Manager, Database Versioning and many more.
 
 
 ## GUI