geeb: add overlay for focus mode

Signed-off-by: houst0nn <houstonn@gmail.com>
geeb: add PA Lightbulb overlay for app and core.

* Needed by device with flash, default flash availability is false.

Signed-off-by: houst0nn <houstonn@gmail.com>
geeb: change default wallpaper
geeb: add overlays for battery leds

Signed-off-by: houst0nn <houstonn@gmail.com>
geeb: change default autobrightness

Signed-off-by: houst0nn <houstonn@gmail.com>