feat: random theme on startup with style options (Material You / Chaos / Monochrome)

[sang765]

Changes

• Default enable on Android < 12 (no wallpaper color support)
• Random theme style selector with 10 options, each with dedicated seed generation:
  • TonalSpot — medium saturation (0.5–0.9), standard Material You
  • Neutral — low saturation (0.1–0.3), muted palette
  • Vibrant — high saturation (0.8–1.0), max colorfulness
  • Expressive — wide lightness range (0.35–0.7), dramatic
  • Rainbow — seed hue does not appear in output
  • FruitSalad — playful, slightly wider range
  • Monochrome — gray seed → grayscale Material 3 scheme
  • Fidelity — faithful to seed hue
  • Content — analogous to seed hue
  • Chaos — 4 fully independent random colors
• Reload new color theme button to generate & apply a palette immediately
• Vietnamese & Japanese translations

Commits

• Add dedicated seed generation per random style
• Add all PaletteStyle random theme options
• Rename Material You -> TonalSpot
• Add Monochrome random style
• Add vi/jp translations for random theme strings
• Add Reload new color theme button
• Add random theme style selector (Material You / Chaos)

[rukamori]

@sang765 visual evidence or screenshot?

[sang765]

@sang765 visual evidence or screenshot?

Here is screenshot:

[rukamori]

I mean when changing colors, this ensures that the colors I see do not clash with the md3 colors

[sang765]

I mean when changing colors, this ensures that the colors I see do not clash with the md3 colors

https://jumpshare.com/s/7qPmk7BL3WLnT3dxPtTJ <= here is tested vid

[rukamori]