Initial commit: React + Vite plant app with footer navigation

- Wiki page with 8 plant entries, search, and category/difficulty filters
- Calendar page with monthly grid, task scheduling, and upcoming tasks
- My Plants page with personal collection, health tracking, and add/edit/remove
- Footer navigation with Wiki, Calendar, and My Plants tabs

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

vite.config.js

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+})