feat: add stealth.min.js script for evasion techniques

- Added stealth.min.js to app/scripts directory
- Script generated using npx extract-stealth-evasions based on the
  instructions from Puppeteer Extra Stealth Evasions repository
  (https://github.com/berstend/puppeteer-extra/blob/master/packages/extract-stealth-evasions/readme.md)