CNPC+ Health Bars Addon 0.3.2

- Added short native CustomNPC+ hover tooltips throughout the faction and custom BossBar editors.
- Added per-NPC world-bar color mode directly below HP Bar in Display: Faction / Custom.
- Added visible Edit button while an NPC uses Custom colors.
- Added per-NPC color editor with the same presets and six color channels as faction palettes.
- Added 11 public BossBarAPI methods for per-NPC palette control.
- Reworked healing animation: restored HP now grows smoothly using absolute render time and then fades from the healing color into the normal fill.
- Refined damage trail interpolation with smootherstep easing and continuous handling of consecutive hits.
- Added subtle highlight/shadow bands to Primary, Damage, Healing and Shield colors so bars look less flat without requiring external textures.
- Improved color-button readability while preserving the selected hue.
- Preserved only Default and Modern styles.
- Preserved Custom BossBar, tintable Minecraft-style BossBar, faction cache/performance behavior and all public 0.3.1 API methods.
- No Mixins, coremod or ASM transformer.
