Update lesson13.md

ichimax · web-flow · commit 0013adab702a · 2018-03-15T00:17:09.000+03:00
diff --git a/lesson/lesson13.md b/lesson/lesson13.md
@@ -22,6 +22,7 @@
 **&#1050;&#1086;&#1084;&#1084;&#1080;&#1090;&#1099;:**
 
 [`Lesson13 properties`](https://github.com/JavaWebinar/basejava/tree/25f4dd3b23790cc74c30d3703b16fa6af09c3905)
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 **&#1056;&#1077;&#1089;&#1091;&#1088;&#1089;&#1099;:**
 
 - [Properties sample](https://www.mkyong.com/java/java-properties-file-examples)

-Original file line number
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 **Коммиты:**
 [`Lesson13 properties`](https://github.com/JavaWebinar/basejava/tree/25f4dd3b23790cc74c30d3703b16fa6af09c3905)
++
 **Ресурсы:**
 - [Properties sample](https://www.mkyong.com/java/java-properties-file-examples)