public function rules(): array 	{ 		return [ 			'name' => ['required', 'string', 'max:100'], 			'surname' => ['nullable', 'string', 'max:50'], 			'oib' => ['nullable', 'string', 'max:20'], 			'phone' => ['nullable', 'string', 'max:20'], 			'email' => ['nullable', 'email', 'max:100'], 			'note' => ['nullable', 'string', 'max:200'], 			'address' => ['nullable', 'string', 'max:150'], 			'is_physical_entity' => ['boolean'], 		]; 	}