docs: use [email protected] where possible

CONTRIBUTING.md

@@ -7,17 +7,18 @@ We use mostly Typescript, Here are some resources you can use to learn TypeScrip
 - [TypeScript Docs](https://www.typescriptlang.org/)
 - [Scrimba courses](https://scrimba.com/)
 
-Thanks for your interest in notion2anki. We hope you'll contribute to our project. We are looking forward to your pull requests!
+Thanks for your interest in 2anki.net. We hope you'll contribute to our project. We are looking forward to your pull
+requests!
 
-If you know someone who can benefit from Notion to Anki, please share it with them today!
+If you know someone who can benefit from 2anki.net, please share it with them today!
 
 - If you are missing a feature or format, let us know on [GitHub](https://github.com/2anki/2anki.net/issues)
 
 ## Other ways to contribute
 
-- Make a video in your native language showing people how to use notion2anki
-- Write about notion2anki on your blog
+- Make a video in your native language showing people how to use 2anki.net
+- Write about 2anki.net on your blog
 
-Join the [Discord](https://discord.gg/PSKC3uS) to find out more ways to contribute or send an email to [[email protected]](mailto:[email protected])
+Email [[email protected]](mailto:[email protected]).
 
 PS: Remember to send us links when you create a video or blog post, thank you 🙏🏾

src/components/forms/RegisterForm.tsx

@@ -38,7 +38,7 @@ function RegisterForm({ setErrorMessage }: Props) {
         window.location.href = '/login';
       } else {
         setErrorMessage(
-          'Unknown error. Please try again or reach out to [email protected] for assistance if the issue persists.'
+          'Unknown error. Please try again or reach out to [email protected] for assistance if the issue persists.'
         );
       }
     } catch (error) {

src/pages/SuccessfulCheckout/SuccessfulCheckout.tsx

@@ -5,7 +5,7 @@ import { Container } from '../../components/styled';
 const loginLink = 'https://2anki.net/login';
 const registerLink = 'https://2anki.net/register';
 const settingsLink = 'https://2anki.net/settings';
-const supportLink = 'mailto:[email protected]';
+const supportLink = 'mailto:[email protected]';
 
 export default function SuccessfulCheckout() {
   return (