expert for make changes in draw.io

need make changes in [login to view URL] source code [login to view URL] the changes if is posible make in one file tipe [login to view URL] for can update in future. here examples of plugins: [login to view URL] here my test [login to view URL] need add functions and custom shapes and these shapes will have values ​​that will be obtained from a mysql database, you will also have to be able to edit these values. A control panel will be necessary to view and edit these values. you will have to be able to list all the used objects and their properties. the software is free and you can download it from github, you can also test your plugin by uploading it in [login to view URL] click in extras and click in add plugin if you think for make a good job is necesary change sourcecode you can make a virtual machine preferably linux and clone repository of github and install it.