feat: add Supabase authentication context and routes

- Implemented Supabase authentication context in `supabase.tsx` for managing user login and logout.
- Created a new SVG logo file for branding.
- Set up main application entry point in `main.tsx` with router integration.
- Added web vitals reporting in `reportWebVitals.ts`.
- Generated route tree in `routeTree.gen.ts` for application routing.
- Established root route in `__root.tsx` with TanStack Router Devtools integration.
- Created authenticated route in `_authenticated.tsx` to protect routes.
- Developed planes route under authenticated section in `planes.tsx`.
- Implemented login route with form handling in `login.tsx`.
- Added index route with welcome message in `index.tsx`.
- Included basic styles in `styles.css`.
- Configured TypeScript settings in `tsconfig.json`.
- Set up Vite configuration with React and TanStack Router plugins in `vite.config.ts`.

vite.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'vite'
+import viteReact from '@vitejs/plugin-react'
+import tanstackRouter from '@tanstack/router-plugin/vite'
+import { resolve } from 'node:path'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [tanstackRouter({ autoCodeSplitting: true }), viteReact()],
+  resolve: {
+    alias: {
+      '@': resolve(__dirname, './src'),
+    },
+  },
+})