Add Formboost.app to form backend list

README.md

@@ -987,6 +987,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [feedback.fish](https://feedback.fish/) - Free plan allows collecting 25 total feedback submissions. Easy to integrate with React and Vue components provided.
   * [FluidForms](https://fluidforms.ai/) - Form builder and backend with AI-driven logic. Free plan includes 100 responses per month, unlimited forms (including AI-created forms), webhooks, and embedding.
   * [Form.taxi](https://form.taxi/) - Endpoint for HTML forms submissions. With notifications, spam blockers, and GDPR-compliant data processing. Free plan for basic usage.
+  * [Formboost.app](https://formboost.app) - Developer-first form backend with simple HTTP endpoints, 500 free submissions/month, spam protection, email notifications, and built-in Slack, Discord & Telegram integrations. No backend required.
   * [Formcarry.com](https://formcarry.com) - HTTP POST Form endpoint, Free plan allows 100 monthly submissions.
   * [Formester.com](https://formester.com) - Share and embed unique-looking forms on your website-no limits on the number of forms created or features restricted by the plan. Get up to 100 submissions every month for free.
   * [Forminit](https://forminit.com/) - Headless form backend for developers. The free plan allows 100 form submissions per month including file uploads, server-side field validation, email notifications, spam protection and Zapier.