Update README.md

add Example

Author: php-evs

README.md

@@ -2,3 +2,25 @@
 ORM for bitrix learning module
 
 namespace Learning;
+
+# Examples
+
+## Get all Lessons from specific Site sorted by Course active date, Lesson active date
+```
+\Learning\LessonTable::getList([
+  'order' => ['COURSE.ACTIVE_FROM' => 'ASC', 'ACTIVE_FROM' => 'ASC'],
+  'filter' => [
+    'ACTIVE' => 'Y',
+    'COURSE.SITE.SITE_ID' => SITE_ID,
+    'CHECK_PERMISSIONS' => 'Y'
+  ],
+  'select' => [
+    'NAME',
+    'LESSON_ID' => 'ID',
+    'COURSE_ID' => 'COURSE.ID',
+    'ACTIVE_FROM' => 'COURSE.ACTIVE_FROM',
+    'SORT',
+    'CREATED_BY'
+  ]
+]);
+```