feat: initial implementation of Oriana uptime monitor

Implements a full-stack uptime monitoring application with:
- HTTPS, HTTPS keyword, HTTPS status, port, and MongoDB Atlas monitor types
- Cron-based monitoring engine with webhook notifications on status changes
- Discord OAuth2 admin panel (single-owner)
- Public status page with category grouping and failure reason display
- Admin dashboard with sortable monitors table and detailed failure info
- SQLite persistence with migration support

client/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "oriana-client",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -p tsconfig.json && vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "react": "19.0.0",
+    "react-dom": "19.0.0",
+    "react-router-dom": "7.2.0",
+    "recharts": "2.15.1"
+  },
+  "devDependencies": {
+    "@types/react": "19.0.10",
+    "@types/react-dom": "19.0.4",
+    "@vitejs/plugin-react": "4.3.4",
+    "typescript": "5.8.2",
+    "vite": "6.2.1"
+  }
+}