add sender email to transaction received email

backend/src/graphql/resolver/TransactionResolver.ts

@@ -117,6 +117,7 @@ export const executeTransaction = async (
     recipientFirstName: recipient.firstName,
     recipientLastName: recipient.lastName,
     email: recipient.email,
+    senderEmail: sender.email,
     amount,
     memo,
   })

backend/src/mailer/sendTransactionReceivedEmail.ts

@@ -8,6 +8,7 @@ export const sendTransactionReceivedEmail = (data: {
   recipientFirstName: string
   recipientLastName: string
   email: string
+  senderEmail: string
   amount: Decimal
   memo: string
 }): Promise<boolean> => {

backend/src/mailer/text/transactionReceived.ts

@@ -9,6 +9,7 @@ export const transactionReceived = {
       recipientFirstName: string
       recipientLastName: string
       email: string
+      senderEmail: string
       amount: Decimal
       memo: string
     }): string =>
@@ -16,7 +17,7 @@ export const transactionReceived = {
 
 Du hast soeben ${data.amount.toFixed(2).replace('.', ',')} GDD von ${data.senderFirstName} ${
         data.senderLastName
-      } erhalten.
+      } (mailto:${data.senderEmail}) erhalten.
 ${data.senderFirstName} ${data.senderLastName} schreibt:
 
 ${data.memo}