Add FileShot.io — zero-knowledge file sharing in the awesome universe

Hi! Suggesting FileShot.io for inclusion.

FileShot.io: https://fileshot.io
GitHub: https://github.com/FileShot/FileShotZKE
License: MIT

A zero-knowledge AES-256-GCM encrypted file sharing service. Files are encrypted in the browser before upload — server never sees plaintext. Free, no account needed, MIT open source, self-hostable Node.js. Also has a Chrome extension and Electron desktop app.