api: Add Viewtype::Vcard (#5202)

Co-authored-by: Hocuri <hocuri@gmx.de>

deltachat-ffi/deltachat.h

@@ -5480,6 +5480,11 @@ int64_t         dc_lot_get_timestamp     (const dc_lot_t* lot);
  */
 #define DC_MSG_WEBXDC    80
 
+/**
+ * Message containing shared contacts represented as a vCard (virtual contact file)
+ * with email addresses and possibly other fields.
+ */
+#define DC_MSG_VCARD     90
 
 /**
  * @}
@@ -7338,6 +7343,9 @@ void dc_event_unref(dc_event_t* event);
 /// Used as info message.
 #define DC_STR_SECUREJOIN_WAIT_TIMEOUT 191
 
+/// "Contact"
+#define DC_STR_CONTACT 200
+
 /**
  * @}
  */