feat: add favorites panel to meal generator, remove redundant Another one button

- Add clickable favorites counter with expandable panel
- Render saved recipes list with remove button
- Remove duplicate 'Another one' button (Generate already covers it)
- Sync favorite button state when removing from panel

src/pages/generators/names.astro

@@ -0,0 +1,11 @@
+---
+import GeneratorLayout from '@/layouts/GeneratorLayout.astro';
+import NamesGenerator from '@/components/generators/NamesGenerator.astro';
+import { generators } from '@/data/generators';
+
+const generator = generators.find((g) => g.slug === 'names')!;
+---
+
+<GeneratorLayout generator={generator}>
+  <NamesGenerator />
+</GeneratorLayout>