WP Admin UI Customize is distributed free fee.
Skill, time and money is required for the maintain of development.
Difficult is maintain of development.
If it is good, i wonder if you could give me a donation.
There is a little explanation.
Japanese donation is prohibited by law in Japan current.
Thereby, I can not make a donation button at Paypal.
So, I have selling the “Line Break First and End Plugin” in lieu of donation.