Make Arduino Library Manager Compatible

Updated all of the files to make it ready to allow this release to be added to Arduino Library Manager
This included license file, updated readme, library properties, and a few cosmetic edits to header and cpp file

Before DMA Async updates changes for T3.6 and T4

This is before merge of the Pull request that changed the T4 to not copy the data from Frame buffer to smaller buffers that update the screen. This was the way earlier to handle how the T4 in DMAMEM and malloc memory cache works with DMA...