feat: add 4 new generators (Palette, Lorem, Country, Weighted)

- Color Palette: 7 harmony modes (Random, Analogous, Complementary,
  Triadic, Monochromatic, Split-Complementary, Tetradic), 3-8 colors,
  individual swatch copy + copy all
- Lorem Ipsum: 1-20 paragraphs, Short/Medium/Long length,
  optional classic start, full a11y support
- Random Country: 40 countries, region filter, flag emoji + capital
  + population, bilingual data
- Weighted Random: dynamic item-weight rows, validation,
  single pick + N-trials with statistics bars

All generators include EN/RU i18n, SEO metadata, FAQ, and follow
project patterns.

.gitignore

@@ -3,3 +3,4 @@ dist/
 .env
 *.log
 .astro/
+.kimi/