Enhancement: allow consumption of odg files (#6940)

src/paperless_tika/signals.py

@@ -19,6 +19,7 @@ def tika_consumer_declaration(sender, **kwargs):
             "application/vnd.oasis.opendocument.presentation": ".odp",
             "application/vnd.oasis.opendocument.spreadsheet": ".ods",
             "application/vnd.oasis.opendocument.text": ".odt",
+            "application/vnd.oasis.opendocument.graphics": ".odg",
             "text/rtf": ".rtf",
         },
     }