Hi,
I completely understood your tasks.
I would like to discuss what kind of design you will need for this table form, is it something only functional or you need it well designed.
Also, where you want to run it because I'll need server access to install all the dependencies for your needs like PDO/PHP/MySQL and similar, or not if you already have installed.
I've experience with tinymce aswell, already did some projects using that editor, and I looked at your file, and everything was pretty clear.
I usually looking for tasks like this one, I am doing short and harder tasks for my client, not the easy and long-time tasks.
If you are interested, you can checkout my portfolio, I am specialized in PHP/MySQL stack and there's nothing I can't do.
Wish you all the best,
Nemanja