Update Preact form library link in documentation (#1356)

Author: fabian-hiller

content/en/about/libraries-addons.md

@@ -30,7 +30,7 @@ A collection of modules built to work wonderfully with Preact.
 - :triangular_ruler: **[preact-layout](https://download.github.io/preact-layout/)**: Small and simple layout library
 - :construction_worker: **[preact-helmet](https://github.com/download/preact-helmet)**: A document head manager for Preact
 - :arrow_up_down: **[preact-custom-scrollbars](https://github.com/lucafalasco/preact-custom-scrollbars)**: Fully customizable scrollbars, for frictionless native browser scrolling
-- 🧱 **[@modular-forms/preact](https://modularforms.dev/)**: Modular and type-safe form library
+- 🧱 **[@formisch/preact](https://formisch.dev/preact/guides/introduction/)**: A form library with focus on performance, type safety and bundle size
 
 ## Integrations