Add the missing mapper generated files.

docs/api/generated/plugin_dbui.mapper.map_default.rst

+plugin_dbui.mapper.map_default
+==============================
+
+.. currentmodule:: plugin_dbui.mapper
+
+.. autofunction:: map_default
\ No newline at end of file

docs/api/generated/plugin_dbui.mapper.map_tabpanel.rst

+plugin_dbui.mapper.map_tabpanel
+===============================
+
+.. currentmodule:: plugin_dbui.mapper
+
+.. autofunction:: map_tabpanel
\ No newline at end of file