Merge branch 'master' of https://github.com/acrobotic/Ai_pcDuino_Examples


Former-commit-id: 96569366d3bc2aee242ec8b5fd45a88d9785dc6c
help people get started if they didn't read the official docs (will they even read this? doubt it). provide how to power, username info, and settings to turn off the screensaver (so you don't get confused and this you broke the board if the screen turns off).


Former-commit-id: a2b4546f8493f0400ee714d78cedd3dc16b095a0