fix(storybook): fix Email story issues

Signed-off-by: Niloy Sikdar <niloysikdar30@gmail.com>

.storybook/main.ts

@@ -1,5 +1,5 @@
 module.exports = {
-  stories: ['../src/**/*.stories.mdx', '../src/**/*.stories.@(js|jsx|ts|tsx)'],
+  stories: ['../src/**/*.stories.@(js|jsx|ts|tsx|mdx)'],
   addons: [
     '@storybook/addon-links',
     '@storybook/addon-essentials',

src/components/Email/Email.stories.tsx

@@ -9,8 +9,8 @@ export default {
 //“template” of how args map to rendering
 const Template: ComponentStory<typeof Email> = (args) => <Email {...args} />;
 
-export const MyEmail = Template.bind({});
+export const Default = Template.bind({});
 
-MyEmail.args = {
+Default.args = {
   children: <h2>Hello world</h2>,
 };

src/components/Email/index.ts

@@ -1 +1 @@
-export { Email } from './Email';
+export { Email, EmailProps } from './Email';

src/index.ts

@@ -1 +1 @@
-export { Email } from './components/Email';
+export { Email, EmailProps } from './components/Email';