remove manually created typing d ts file (#249)

* Rename file

".d.ts" files are files that are automatically generated during compilation (in case option is set) and shouldn't be created manually.

* Export types and interfaces

* Add missing imports

src/components/reader/ReaderSettingsOptions.tsx

@@ -11,6 +11,7 @@ import ListItemSecondaryAction from '@mui/material/ListItemSecondaryAction';
 import Select from '@mui/material/Select';
 import MenuItem from '@mui/material/MenuItem';
 import React from 'react';
+import { IReaderSettings } from 'typings';
 
 interface IProps extends IReaderSettings {
     setSettingValue: (key: keyof IReaderSettings, value: string | boolean) => void;