🧑‍💻 (emails) Add decent emails management

Use mjml-react to generate emails. Put all emails in a independent package.

packages/emails/components/HeroImage.tsx

@@ -0,0 +1,15 @@
+import { MjmlImageProps, MjmlImage } from '@faire/mjml-react'
+import React from 'react'
+import { borderBase } from '../theme'
+
+export const HeroImage = (props: MjmlImageProps) => (
+  <MjmlImage
+    cssClass="hero"
+    padding="0"
+    align="left"
+    borderRadius={borderBase}
+    {...props}
+  >
+    {props.children}
+  </MjmlImage>
+)