Update CSS in email templates

Enhanced the design of the 'invite-user' and 'confirm-email' templates by adding new CSS code. This CSS code professionaly styles the email, improving readability and user experience.

packages/email-templates/src/components/body-style.tsx

@@ -0,0 +1,16 @@
+import * as React from 'react';
+
+export function BodyStyle() {
+  return (
+    <style>
+      {`
+        body {
+          background-color: #fff;
+          margin: auto;
+          font-family: sans-serif;
+          color: #484848;
+        }
+    `}
+    </style>
+  );
+}

packages/email-templates/src/components/cta-button.tsx

@@ -0,0 +1,17 @@
+import { Button } from '@react-email/components';
+import * as React from 'react';
+
+export function CtaButton(
+  props: React.PropsWithChildren<{
+    href: string;
+  }>,
+) {
+  return (
+    <Button
+      className="w-full bg-[#000000] rounded text-white text-[14px] font-semibold no-underline text-center py-3"
+      href={props.href}
+    >
+      {props.children}
+    </Button>
+  );
+}

packages/email-templates/src/components/footer.tsx

@@ -0,0 +1,12 @@
+import { Container, Text } from '@react-email/components';
+import * as React from 'react';
+
+export function EmailFooter(props: React.PropsWithChildren) {
+  return (
+    <Container>
+      <Text className="text-[12px] leading-[24px] text-gray-300 px-4">
+        {props.children}
+      </Text>
+    </Container>
+  );
+}

packages/email-templates/src/components/heading.tsx

@@ -0,0 +1,10 @@
+import * as React from 'react';
+import { Heading } from '@react-email/components';
+
+export function EmailHeading(props: React.PropsWithChildren) {
+  return (
+    <Heading className="text-black font-sans tracking-tight text-[20px] font-normal p-0 mx-0">
+      {props.children}
+    </Heading>
+  );
+}

packages/email-templates/src/components/wrapper.tsx

@@ -0,0 +1,30 @@
+import { Container } from '@react-email/components';
+import * as React from 'react';
+
+export function EmailWrapper(
+  props: React.PropsWithChildren<{
+    className?: string;
+  }>,
+) {
+  return (
+    <Container
+      style={{
+        backgroundColor: '#fff',
+        margin: 'auto',
+        fontFamily: 'sans-serif',
+        color: '#484848',
+      }}
+    >
+      <Container
+        style={{
+          maxWidth: '535px',
+          backgroundColor: '#fff',
+          margin: 'auto',
+        }}
+        className={'my-[36px] mx-auto px-4 ' + props.className || ''}
+      >
+        {props.children}
+      </Container>
+    </Container>
+  );
+}