Send pdf invoce with confirmation

Change-Id: Ie5b7b20043d11879f758af6536b55961314188eb
diff --git a/composer.json b/composer.json
index cbe00da..826dc18 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,13 @@
 {
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/morckx/pdf-invoice"
+        }
+    ],
     "require": {
         "gregwar/captcha": "1.*",
-        "monolog/monolog": "3.*"
+        "monolog/monolog": "3.*",
+        "konekt/pdf-invoice": "master-dev"
     }
-}
+}
\ No newline at end of file