update gitignore

.gitignore

@@ -1,4 +1,30 @@
-.DS_Store
-node_modules
+# always ignore files
+*.DS_Store
+*.sublime-*
 .idea
 *.sock
+
+# test related, or directories generated by tests
+test/actual
+actual
+coverage
+.nyc*
+
+# npm
+node_modules
+npm-debug.log
+
+# yarn
+yarn.lock
+yarn-error.log
+
+# misc
+_gh_pages
+_draft
+_drafts
+bower_components
+vendor
+temp
+tmp
+TODO.md
+package-lock.json