Add PracHub

[fieldkiller]

Please add PracHub to DEV Resources.

{
  name: 'PracHub',
  description: 'Practice 8,500+ real tech-interview questions from 400+ top companies — coding, SQL, ML, and system design — in an in-browser console with AI-assisted hints.',
  categories: ['Interview', 'Learn', 'Code Challenge'],
  url: 'https://prachub.com',
  keywords: ['interview', 'coding interview', 'leetcode alternative', 'system design', 'sql', 'machine learning'],
}

Thanks.