Add invoice

Change-Id: Iaaeaff5250fe91052407eff380dd8fc5c6f31073
diff --git a/invoice.php b/invoice.php
new file mode 100644
index 0000000..d1de840
--- /dev/null
+++ b/invoice.php
@@ -0,0 +1,41 @@
+<?php
+
+require '../vendor/autoload.php';
+
+use Konekt\PdfInvoice\InvoicePrinter;
+
+include '../src/InvoicePrinter.php';
+$invoice = new InvoicePrinter("A4", "€", "en");
+$invoice->lang['product'] = "Item";
+/* Header Settings */
+$invoice->setLogo('images/iclc-logo.png');
+$invoice->setColor('#4bb044');
+$invoice->setType('Invoice');
+$invoice->setReference('55033645');
+$invoice->setDate(date('Y-m-d', time()));
+$invoice->setFrom(['', 'Leibniz-Institute for the German Language', 'R5 6-13', '68181 Mannheim', 'Germany']);
+$invoice->setTo(['', 'Marc Kupietz', 'U4 4', '68161 Mannheim', 'Germany']);
+
+$invoice->setDue(date('Y-m-d', strtotime('+2 weeks')));
+// $invoice->hide_tofrom();
+/* Adding Items in table */
+$invoice->addItem('ICLC-10 Early Bird Standard Registration', '10ᵗʰ International Contrastive Linguistics Conference, 18-21 July in Mannheim (Germany)', 1, false, 280, false, 280);
+$invoice->addItem('Conference Dinner', 'The conference dinner will take place on 20 July.', 1, false, 60, false, 60);
+/* Add totals */
+$invoice->addTotal('Total', 340);
+$invoice->addTotal('Total due', 340, true);
+
+$invoice->addTitle("Payment Details");
+
+$invoice->addParagraph("Please make payment by Bank Transfer, quoting the above REFERENCE and INVOICE NUMBER as shown above. Bank details are given below:");
+
+$invoice->addParagraph("Leibniz-Institute for the German Language
+IBAN: DE70 6708 0050 0694 9411 00
+BIC: DRESDEFF670
+Commerzbank Mannheim
+  
+VAT ID: DE 143845359
+");
+$invoice->setFooterNote("xx");
+/* Render */
+$invoice->render('example2.pdf', 'I'); /* I => Display on browser, D => Force Download, F => local path save, S => return document path */