Added headers for attached messages

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -1999,6 +1999,16 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                                 Element div = document.createElement("div");
                                 div.appendElement("hr");
 
+                                Element h = document.createElement("p");
+                                h.attr("style", "text-align: center;");
+
+                                Element em = document.createElement("em");
+                                em.text(TextUtils.isEmpty(attachment.name)
+                                        ? context.getString(R.string.title_attachment_eml) : attachment.name);
+                                h.appendChild(em);
+
+                                div.appendChild(h);
+
                                 Element p = embedded.getReplyHeader(context, document, true);
                                 div.appendChild(p);
 

app/src/main/res/values/strings.xml

@@ -843,6 +843,7 @@
     <string name="title_unused_inline">Unused inline images will be removed on send</string>
     <string name="title_accross_remark">Messages moved across accounts will be downloaded again resulting in extra data usage</string>
     <string name="title_raw_saved">Raw message saved</string>
+    <string name="title_attachment_eml">Attached message</string>
     <string name="title_attachment_saved">Attachment saved</string>
     <string name="title_attachments_saved">Attachments saved</string>
     <string name="title_attachments_incomplete">Some attachments or images were not downloaded and could not be added</string>