feat: initialize Vue 3 project with Tailwind CSS and Vite

- Add package.json with project metadata and dependencies
- Create favicon.ico and ritsu.png assets
- Implement main App.vue component with site structure
- Add HeroSection, RitsuSection, SiteHeader, and SupportSection components
- Set up theme toggle functionality in SiteHeader
- Create main entry point in main.ts
- Add Tailwind CSS styles in style.css
- Configure TypeScript with tsconfig files
- Set up Vite configuration for Vue and Tailwind CSS

tsconfig.node.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
+    "target": "ES2023",
+    "lib": ["ES2023"],
+    "module": "ESNext",
+    "types": ["node"],
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["vite.config.ts"]
+}