v0.0.5

Devlab_CH55x v0.0.5

Code standardization and package rebranding release for CH55x Arduino core.

What's Changed:

• All filenames and code converted to lowercase (97 files updated)
• Package renamed from "Cocket Nova" to "Devlab_CH55x"
• All examples updated: ADC, Blink, PWM, Timer, USB Serial, WS2812, OLED, and more
• Maintained full compatibility with Unit Electronics toolchain