Add the missing extjs top level generated files.

docs/api/generated/plugin_dbui.extjs.ArrayStore.rst

docs/api/generated/plugin_dbui.extjs.CheckBox.rst

docs/api/generated/plugin_dbui.extjs.ComboBox.rst

docs/api/generated/plugin_dbui.extjs.DirectStore.rst

docs/api/generated/plugin_dbui.extjs.ExtJSException.rst

docs/api/generated/plugin_dbui.extjs.Field.rst

docs/api/generated/plugin_dbui.extjs.FieldAceEditor.rst

docs/api/generated/plugin_dbui.extjs.FieldContainer.rst

docs/api/generated/plugin_dbui.extjs.FieldDate.rst

docs/api/generated/plugin_dbui.extjs.FieldDict.rst

docs/api/generated/plugin_dbui.extjs.FieldList.rst

docs/api/generated/plugin_dbui.extjs.FieldNumber.rst

docs/api/generated/plugin_dbui.extjs.FieldSet.rst

docs/api/generated/plugin_dbui.extjs.FieldText.rst

docs/api/generated/plugin_dbui.extjs.FieldTextArea.rst

docs/api/generated/plugin_dbui.extjs.FieldTime.rst

docs/api/generated/plugin_dbui.extjs.FormPanel.rst

docs/api/generated/plugin_dbui.extjs.GridColumn.rst

docs/api/generated/plugin_dbui.extjs.GridColumnModel.rst

docs/api/generated/plugin_dbui.extjs.GridFilter.rst