feat: add GeneratesUniqueSlug class for unique slug generation

feat: create PostCategoryFactory for generating post category data

feat: create PostFactory for generating post data

feat: add retry_requested_at column to services table

feat: add vcenter provisioning fields to products table

feat: add module_host_id to os table

feat: create email_notification_templates table for email templates

feat: add scenario and format fields to template table

feat: add admin fields to transactions table

fix: update ticket table columns and types

feat: add uuid to ticket table and backfill existing records

fix: make ticket_reply user_id nullable

feat: create notifications table for user notifications

fix: make ticket uuid nullable

feat: create post_categories table for blog categories

feat: create posts table for blog posts

feat: add invoice email template for PDF generation

app/Models/PostCategory.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class PostCategory extends Model
+{
+    use HasFactory;
+    use SoftDeletes;
+
+    protected $table = 'post_categories';
+
+    protected $fillable = [
+        'name',
+        'slug',
+        'description',
+        'icon',
+        'sort_order',
+        'status',
+    ];
+
+    protected $casts = [
+        'sort_order' => 'integer',
+    ];
+
+    public function posts(): HasMany
+    {
+        return $this->hasMany(Post::class, 'post_category_id');
+    }
+}