feat(AuthorEmailHERemoved): Created email template and code for sending it

packages/component-invite/src/routes/collectionsInvitations/emails/emailCopy.js

 const config = require('config')
 
 const staffEmail = config.get('journal.staffEmail')
+const journalName = config.get('journal.name')
 
 const getEmailCopy = ({ emailType, titleText, targetUserName, comments }) => {
   let paragraph
@@ -34,6 +35,14 @@ const getEmailCopy = ({ emailType, titleText, targetUserName, comments }) => {
       paragraph = `${targetUserName} has removed you from the role of Handling Editor for ${titleText}.<br/><br/>
         The manuscript will no longer appear in your dashboard. Please contact ${staffEmail} if you have any questions about this change.`
       break
+    case 'author-he-removed':
+      hasIntro = true
+      hasLink = false
+      hasSignature = true
+      paragraph = `The handling editor of your manuscript "${titleText}" had to be replaced. This may cause some delays in the peer review process.<br/><br/>
+        If you have questions please email them to ${staffEmail}<br/><br/>.
+        Thank you for your submission to ${journalName}.`
+      break
     default:
       throw new Error(`The ${emailType} email type is not defined.`)
   }