v0.2.0: Revise README for Clair Client with detailed features

New modules:

• Color Saturation: saturation, contrast, brightness and warmth for the world. The HUD stays untouched.
• Shield Status: green or red mark on players' nametags. Shows if their shield is ready or disabled by an axe, with seconds left.

Download ClairLauncher-windows.zip below, unzip it and open Clair Launcher.exe.