feat: initialize Infra Manager with React, Tailwind CSS, and Inertia.js

- Added main application entry point (app.jsx) and bootstrap file for React setup.
- Created Wiki index page (Index.jsx) for documentation and file management.
- Implemented utility functions for formatting and status handling in utils.js.
- Set up Blade template (app.blade.php) for Inertia.js integration.
- Defined API routes for metrics and terminal access in api.php.
- Established console commands for scheduled tasks in console.php.
- Created web routes for various application features including authentication, hypervisors, containers, cloud accounts, security, backups, and wiki management in web.php.
- Developed setup scripts for Windows (setup.ps1) and Linux (setup.sh) environments.
- Configured Tailwind CSS for styling with custom themes and animations in tailwind.config.js.
- Set up Vite for asset bundling and development server in vite.config.js.

app/Models/Alert.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Alert extends Model
+{
+    protected $fillable = [
+        'rule_id', 'target_type', 'target_id', 'target_name',
+        'title', 'message', 'severity', 'status',
+        'acknowledged_by', 'acknowledged_at', 'resolved_at',
+    ];
+
+    protected $casts = [
+        'acknowledged_at' => 'datetime',
+        'resolved_at'     => 'datetime',
+    ];
+
+    public function rule()           { return $this->belongsTo(AlertRule::class); }
+    public function acknowledgedBy() { return $this->belongsTo(User::class, 'acknowledged_by'); }
+}