add package lock file (#86)

samthomson · gjtorikian · commit 3566e132d231 · 2017-10-13T14:40:06.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -29,6 +29,9 @@ build/Release
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
 
+# Package lock file
+package-lock.json
+
 # OSX
 .DS_Store
 
