Add initial project setup with static files and configuration

- Create robots.txt to allow all user agents and specify sitemap location
- Add site.webmanifest for PWA support with app details
- Initialize sitemap.xml with the homepage URL and metadata
- Set up svelte.config.js for SvelteKit with static adapter and prerendering
- Configure TypeScript with tsconfig.json for strict type checking and module resolution
- Establish Vite configuration in vite.config.ts for SvelteKit integration

package.json

@@ -0,0 +1,24 @@
+{
+  "name": "squiggleverse",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite --host 127.0.0.1",
+    "build": "vite build",
+    "preview": "vite preview --host 127.0.0.1",
+    "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json"
+  },
+  "overrides": {
+    "cookie": "0.7.2"
+  },
+  "devDependencies": {
+    "@sveltejs/adapter-static": "^3.0.10",
+    "@sveltejs/kit": "^2.69.2",
+    "@sveltejs/vite-plugin-svelte": "^7.2.0",
+    "svelte": "^5.56.4",
+    "svelte-check": "^4.2.1",
+    "typescript": "^5.8.3",
+    "vite": "^8.1.4"
+  }
+}