feat : 테이블 및 DB 마이그레이션 파일 추가

products
  - common_codes
  - parts
  - products
  - files
  - price_histories
  - boms
  - bom_items

  boards
  - boards
  - board_settings
  - posts
  - board_comments
  - board_files
  - post_custom_field_values

  permissions
  - menus
  - roles
  - user_menu_permissions
  - role_menu_permissions

  tenants
  - tenants
  - plans
  - subscriptions
  - payments

app/Models/Products/Bom.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models\Products;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Bom extends Model
+{
+    use SoftDeletes;
+    protected $fillable = ['tenant_id','product_id','code','name','category_id','attributes','description','is_default','is_active','image_file_id'];
+
+    public function product() {
+        return $this->belongsTo(Product::class);
+    }
+    public function category() {
+        return $this->belongsTo(CommonCode::class, 'category_id');
+    }
+    public function items() {
+        return $this->hasMany(BomItem::class);
+    }
+    public function image() {
+        return $this->belongsTo(File::class, 'image_file_id');
+    }
+}