KangOS davinci update 26052021

Changelog:

• Initial official release
• Added battery health overlays
• Some rootdir optimizaion
• Switched to OnePlus launcher
• Added Google Dialer by default (as we ship gapps build)
• Switched to tfa98xx amplifier (less idle drain)
• Switched to gesture navigation by default
• Killed IMS logspam
• Switched to user builds (no more userdebug)
• Upstreamed kernel to 4.14.233
• Other various fixes and improvments you can check on github