Excel-to-Planner Migration Flow and Template -- 2

I have an Excel workbook that holds a few hundred tasks, each row already filled out with multiple headers (i.e. tasks, subtasks, rich-text description, priority, start and due date, etc.). For this, I... (Budget: $10 - $30 USD, Jobs: Automation, Data Integration, Excel, JavaScript, Microsoft 365, PHP, Power Automate)