feat: scaffold SvelteKit project with Tailwind, TypeScript, ESLint, Prettier

Initialize the llm-multiverse-ui project with:
- SvelteKit + Svelte 5 (runes mode enabled)
- Tailwind CSS v4 via @tailwindcss/vite plugin
- TypeScript strict mode
- ESLint 9 flat config with svelte and typescript-eslint plugins
- Prettier with svelte plugin
- Directory structure: src/lib/components/, src/lib/services/
- All required scripts: dev, build, preview, lint, format, check

Closes #1

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -0,0 +1,34 @@
+{
+	"name": "llm-multiverse-ui",
+	"private": true,
+	"version": "0.0.1",
+	"type": "module",
+	"scripts": {
+		"dev": "vite dev",
+		"build": "vite build",
+		"preview": "vite preview",
+		"prepare": "svelte-kit sync || echo ''",
+		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
+		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
+		"lint": "eslint .",
+		"format": "prettier --write ."
+	},
+	"devDependencies": {
+		"@eslint/js": "^9.0.0",
+		"@sveltejs/adapter-auto": "^7.0.0",
+		"@sveltejs/kit": "^2.50.2",
+		"@sveltejs/vite-plugin-svelte": "^6.2.4",
+		"@tailwindcss/vite": "^4.0.0",
+		"eslint": "^9.0.0",
+		"eslint-config-prettier": "^10.0.0",
+		"eslint-plugin-svelte": "^3.0.0",
+		"prettier": "^3.0.0",
+		"prettier-plugin-svelte": "^3.0.0",
+		"svelte": "^5.51.0",
+		"svelte-check": "^4.4.2",
+		"tailwindcss": "^4.0.0",
+		"typescript": "^5.9.3",
+		"typescript-eslint": "^8.0.0",
+		"vite": "^7.3.1"
+	}
+}