feat: Many category and Many sub-category media

app/Models/SubCategory.php

@@ -4,7 +4,7 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
-use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 class SubCategory extends Model
 {
@@ -17,8 +17,8 @@ public function category(): BelongsTo
         return $this->belongsTo(Category::class);
     }
 
-    public function media(): HasMany
+    public function media(): BelongsToMany
     {
-        return $this->hasMany(Media::class, 'subcategory_id');
+        return $this->belongsToMany(Media::class, 'media_sub_category');
     }
 }