feat: add ssr email templates rendering

shared/email-components/src/lib/EstimatePaymentEmail.tsx

@@ -4,6 +4,7 @@ import {
   Column,
   Container,
   Heading,
+  render,
   Row,
   Section,
   Text,
@@ -143,6 +144,17 @@ export const EstimatePaymentEmail: React.FC<
     );
   };
 
+/**
+ * Renders the estimate mail template to string
+ * @param {EstimatePaymentEmailProps} props 
+ * @returns {Promise<string>}
+ */
+export const renderEstimateEmailTemplate = (
+  props: EstimatePaymentEmailProps
+) => {
+  return render(<EstimatePaymentEmail {...props} />);
+};
+
 const headerInfoStyle: CSSProperties = {
   textAlign: 'center',
   marginBottom: 20,