v0.7.1

• Add new colorset called "game accent", this add some possible configurations with colorset option and improve some assets quality.
• Fix psx Final Fantasy VII game theme was not "pixelate"
• When a system has multiple game themes, system folder is now duplicate instead of media files inside it, this make it easier to switch game theme
• 720p and 1080p images are non longer available as separate standalone downloads, 2 downloads package are now available from github, one including 720p and another one including 1080p images