chore: initial commit - consolidate 4 projects into monorepo

Projects included:
- maerchenzauber (NestJS backend + Expo mobile + SvelteKit web + Astro landing)
- manacore (Expo mobile + SvelteKit web + Astro landing)
- manadeck (NestJS backend + Expo mobile + SvelteKit web)
- memoro (Expo mobile + SvelteKit web + Astro landing)

This commit preserves the current state before monorepo restructuring.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

manacore/apps/web/src/app.css

@@ -0,0 +1,41 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+	:root {
+		color-scheme: light dark;
+	}
+
+	* {
+		@apply border-gray-200 dark:border-gray-700;
+	}
+
+	body {
+		@apply bg-white text-gray-900 dark:bg-gray-900 dark:text-gray-100;
+	}
+
+	h1 {
+		@apply text-4xl font-bold;
+	}
+
+	h2 {
+		@apply text-3xl font-bold;
+	}
+
+	h3 {
+		@apply text-2xl font-semibold;
+	}
+
+	h4 {
+		@apply text-xl font-semibold;
+	}
+
+	h5 {
+		@apply text-lg font-medium;
+	}
+
+	h6 {
+		@apply text-base font-medium;
+	}
+}