Importer update add support for meta data and multiple inserts for some entities like addresses and phones, updated other things

app/Models/Contract.php

@@ -27,6 +27,7 @@ class Contract extends Model
         'client_case_id',
         'type_id',
         'description',
+        'meta',
     ];
 
     protected $hidden = [
@@ -35,6 +36,13 @@ class Contract extends Model
         'type_id',
     ];
 
+    protected function casts(): array
+    {
+        return [
+            'meta' => 'array',
+        ];
+    }
+
     public function type(): BelongsTo
     {
         return $this->belongsTo(\App\Models\ContractType::class, 'type_id');