Add ko translation

Author: sim0629

cropper/src/main/res/values-ko/strings.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="crop_image_activity_title"></string>
+    <string name="crop_image_menu_rotate_left">반시계 회전</string>
+    <string name="crop_image_menu_rotate_right">회전</string>
+    <string name="crop_image_menu_crop">자르기</string>
+    <string name="crop_image_menu_flip">반전</string>
+    <string name="crop_image_menu_flip_horizontally">좌우반전</string>
+    <string name="crop_image_menu_flip_vertically">상하반전</string>
+
+    <string name="pick_image_intent_chooser_title">이미지 선택</string>
+
+    <string name="crop_image_activity_no_permissions">필수 권한이 없어서 취소합니다.</string>
+
+</resources>