Update introduction.mdx (#498)

Changed https://github.com/triggerdotdev/examples/tree/main/resend (which was a 404) to https://github.com/triggerdotdev/examples/tree/main/resend-email-form

Author: gjohnsx

docs/examples/introduction.mdx

@@ -24,6 +24,6 @@ To run them, simply follow the instructions in the README files linked below.
 | [OpenAI text summarizer](https://github.com/triggerdotdev/examples/tree/main/openai-text-summarizer)             | An app which uses OpenAI to summarize an article and then post the result to Slack.                                                         | [OpenAI](https://trigger.dev/docs/integrations/apis/openai) [Slack](https://trigger.dev/docs/integrations/apis/slack)       | Trigger.dev                             | ✅     |
 | [Supabase onboarding emails](https://github.com/triggerdotdev/examples/tree/main/supabase-onboarding-emails)     | When a user signs up and confirms their email address, they will receive 3 "onboarding" emails over 2 days using Resend.com and Trigger.dev | [Supabase](https://trigger.dev/docs/integrations/apis/supabase) [Resend](https://trigger.dev/docs/integrations/apis/resend) | Trigger.dev                             | ✅     |
 | [Generate presentation titles using OpenAI](https://github.com/triggerdotdev/examples/tree/main/express-vanilla) | Generate presentation titles using OpenAI background jobs with Node.js, Express and Trigger.dev                                             | [OpenAI](https://trigger.dev/docs/integrations/apis/openai)                                                                 | [lirantal](https://github.com/lirantal) | ✅     |
-| [Send a basic email with Resend](https://github.com/triggerdotdev/examples/tree/main/resend)                     | Send a basic email from a form with Resend                                                                                                  | [Resend](https://trigger.dev/docs/integrations/apis/resend)                                                                 | Trigger.dev                             | ✅     |
+| [Send a basic email with Resend](https://github.com/triggerdotdev/examples/tree/main/resend-email-form)                     | Send a basic email from a form with Resend                                                                                                  | [Resend](https://trigger.dev/docs/integrations/apis/resend)                                                                 | Trigger.dev                             | ✅     |
 | AI landing page copy generator                                                                                   | Copies your site and generates new copy using OpenAI                                                                                        | [OpenAI](https://trigger.dev/docs/integrations/apis/openai)                                                                 | Trigger.dev                             | 🛠️     |
 | AI changelog generator                                                                                           | Generates a changelog from your GitHub commits using OpenAI                                                                                 | [OpenAI](https://trigger.dev/docs/integrations/apis/openai) [GitHub](https://trigger.dev/docs/integrations/apis/github)     | Trigger.dev                             | 🛠️     |