include chromebook_setup in SUMMARY.md (affected languages: EN, KO). why: to accommodate links from other pages (gitbook will generate html only for items listed in the table of contents: GitbookIO/community#467).

Lisa Chung · Lisa Chung · commit 49c9941810de · 2017-09-01T16:19:50.000-04:00
diff --git a/en/SUMMARY.md b/en/SUMMARY.md
@@ -2,6 +2,7 @@
 
 * [Introduction](README.md)
 * [Installation](installation/README.md)
+* [Installation (chromebook)](chromebook_setup/README.md)
 * [How the Internet works](how_the_internet_works/README.md)
 * [Introduction to command line](intro_to_command_line/README.md)
 * [Python installation](python_installation/README.md)
diff --git a/ko/SUMMARY.md b/ko/SUMMARY.md
@@ -2,6 +2,7 @@
 
 *   [들어가며](README.md)
 *   [설치하기](installation/README.md)
+*   [설치하기 (chromebook)](chromebook_setup/README.md)
 *   [인터넷은 어떻게 작동할까요](how_the_internet_works/README.md)
 *   [Command Line 시작하기](intro_to_command_line/README.md)
 *   [Python 설치하기](python_installation/README.md)
