Review selector.py documentation.

docs/api/generated/plugin_dbui.selector.Selector.rst

...d/selector/plugin_dbui.selector.Selector.append_query.rst

...erated/selector/plugin_dbui.selector.Selector.as_dict.rst

...nerated/selector/plugin_dbui.selector.Selector.fields.rst

...enerated/selector/plugin_dbui.selector.Selector.query.rst

...rated/selector/plugin_dbui.selector.Selector.repr_url.rst

...nerated/selector/plugin_dbui.selector.Selector.select.rst

modules/plugin_dbui/selector.py