Discord Invite Tracker Bot

I’m setting up a new Discord server and want an automated way to reward community growth. The bot should monitor all invite links, keep a running count per member, and once someone reaches a fixed, pre-set number of successful invites, automatically grant them the “Verified Member” role... (Budget: £10 - £20 GBP, Jobs: API Development, Bot Development, Discord API, JavaScript, JSON, Node.js, PHP, Python)