append "(Telegram)" after its contact source to make it clearer

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/ContactsHelper.kt

@@ -819,6 +819,9 @@ class ContactsHelper(val activity: Activity) {
         accounts.forEach {
             if (ContentResolver.getIsSyncable(it, ContactsContract.AUTHORITY) == 1) {
                 val contactSource = ContactSource(it.name, it.type)
+                if (it.type == TELEGRAM_PACKAGE) {
+                    contactSource.name += " (${activity.getString(R.string.telegram)})"
+                }
                 sources.add(contactSource)
             }
         }

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

@@ -10,6 +10,7 @@
     <string name="hangouts">Hangouts</string>
     <string name="icq">ICQ</string>
     <string name="jabber">Jabber</string>
+    <string name="telegram">Telegram</string>
 
     <!-- Release notes -->
     <string name="release_32">Added a simple dialpad, dialer will come soon</string>