Feature/use alias for imports (#352)

* Use alias "@" for imports

* Use alias "@" for imports - Fix imports

* Use alias "@" for imports - Prevent faulty "import/extensions" linting issue

For some reason the rule throws an error for alias imports

* Use alias "@" for imports - Update "no-relative-imports" eslint rule

src/components/reader/DoublePage.tsx

@@ -8,7 +8,7 @@
 
 import React from 'react';
 import { Box, styled } from '@mui/material';
-import { IReaderSettings } from 'typings';
+import { IReaderSettings } from '@/typings';
 
 const Image = styled('img')({
     marginBottom: 0,