Update delivery-invoice.md

Added missing documentation for Delivery Note (Δελτίο Αποστολής) (Thanks @memisibram)

docs/invoices/delivery-invoice.md

@@ -1,2 +1,135 @@
 # Παράδειγμα: Δελτίο Αποστολής
 
+## Αρχικοποίηση του εκδότη παραστατικού
+
+```php
+use Firebed\AadeMyData\Models\Address;
+use Firebed\AadeMyData\Models\Issuer;
+
+$address = new Address();
+$address->setStreet('Ανδρονίκου');
+$address->setNumber('22');
+$address->setPostalCode('22222');
+$address->setCity('ΑΘΗΝΑ');
+
+$issuer = new Issuer();
+$issuer->setVatNumber('888888888');
+$issuer->setCountry('GR');
+$issuer->setBranch(1);
+$issuer->setName('Επωνυμία εκδότη');
+$issuer->setAddress($address);
+```
+
+## Αρχικοποίηση του λήπτη παραστατικού
+
+```php
+use Firebed\AadeMyData\Models\Address;
+use Firebed\AadeMyData\Models\Counterpart;
+
+$address = new Address();
+$address->setStreet('Αγαμέμνονος');
+$address->setNumber('22');
+$address->setPostalCode('22222');
+$address->setCity('IRAKLIO');
+
+$counterpart = new Counterpart();
+$counterpart->setVatNumber('999999999');
+$counterpart->setCountry('GR');
+$counterpart->setBranch(0);
+$counterpart->setName('Επωνυμία λήπτη');
+$counterpart->setAddress($address);
+```
+
+## Αρχικοποίηση της επικεφαλίδας παραστατικού
+
+```php
+use Firebed\AadeMyData\Models\Address;
+use Firebed\AadeMyData\Enums\OtherDeliveryNoteHeader;
+use Firebed\AadeMyData\Models\InvoiceHeader;
+use Firebed\AadeMyData\Enums\InvoiceType;
+use Firebed\AadeMyData\Enums\MovePurpose;
+
+$loadingAddress = new Address();
+$loadingAddress->setStreet('Ανδρονίκου');
+$loadingAddress->setNumber('22');
+$loadingAddress->setPostalCode('22222');
+$loadingAddress->setCity('IRAKLIO');
+
+$deliveryAddress = new Address();
+$deliveryAddress->setStreet('Αγαμέμνονος');
+$deliveryAddress->setNumber('22');
+$deliveryAddress->setPostalCode('22222');
+$deliveryAddress->setCity('IRAKLIO');
+
+$otherDeliveryNoteHeader = new OtherDeliveryNoteHeader();
+$otherDeliveryNoteHeader->setLoadingAddress($loadingAddress);
+$otherDeliveryNoteHeader->setDeliveryAddress($deliveryAddress);
+
+$header = new InvoiceHeader();
+$header->setSeries('A');
+$header->setAa(101);
+$header->setIssueDate('2020-04-08');
+$header->setInvoiceType(InvoiceType::TYPE_9_3);
+$header->setMovePurpose(MovePurpose::TYPE_1);
+$header->setOtherDeliveryNoteHeader($otherDeliveryNoteHeader);
+```
+
+## Αρχικοποίηση των τρόπων πληρωμής
+
+> [!CAUTION]
+> Παραστατικά Δελτίο Αποστολής δεν απαιτούν την αναγραφή των τρόπων πληρωμής.
+
+## Αρχικοποίηση των προϊόντων
+
+```php
+use Firebed\AadeMyData\Models\InvoiceDetails;
+use Firebed\AadeMyData\Enums\VatCategory;
+use Firebed\AadeMyData\Enums\UnitMeasurement;
+use Firebed\AadeMyData\Enums\IncomeClassificationCategory;
+
+$row1 = new InvoiceDetails();
+$row1->setLineNumber(1);
+$row1->setItemCode('#KDF11');
+$row1->setItemDescr('Spigen Liquid Crystal Back Cover');
+$row1->setQuantity('1');
+$row1->setMeasurementUnit(UnitMeasurement::UNIT_1);
+$row1->setNetValue(0);
+$row1->setVatCategory(VatCategory::VAT_8);
+$row1->setVatAmount(0);
+$row1->addIncomeClassification(
+    NULL, 
+    IncomeClassificationCategory::CATEGORY_3, 
+    0
+);
+
+$row2 = new InvoiceDetails();
+$row2->setLineNumber(2);
+$row2->setItemCode('#KDF22');
+$row2->setItemDescr('Spigen Liquid Air Matte Black');
+$row2->setQuantity('1');
+$row2->setMeasurementUnit(UnitMeasurement::UNIT_1);
+$row2->setNetValue(0);
+$row2->setVatCategory(VatCategory::VAT_8);
+$row2->setVatAmount(0);
+$row2->addIncomeClassification(
+    NULL, 
+    IncomeClassificationCategory::CATEGORY_3, 
+    0
+);
+```
+
+## Ολοκλήρωση του παραστατικού
+
+```
+use Firebed\AadeMyData\Models\Invoice;
+
+$invoice = new Invoice();
+$invoice->setIssuer($issuer);
+$invoice->setCounterpart($counterpart);
+$invoice->setInvoiceHeader($header);
+$invoice->addInvoiceDetails($row1);
+$invoice->addInvoiceDetails($row2);
+
+// Αρχικοποιεί το InvoiceSummary
+$invoice->summarizeInvoice();
+```