Add baselines placeholder

Author: adhilto

baselines/README.md

@@ -0,0 +1,11 @@
+Individual baselines can be visited directly at the links below:
+
+- [Common Controls](/scubagoggles/baselines/commoncontrols.md)
+- [Gmail](/scubagoggles/baselines/gmail.md)
+- [Google Calendar](/scubagoggles/baselines/calendar.md)
+- [Google Chat](/scubagoggles/baselines/chat.md)
+- [Google Classroom](/scubagoggles/baselines/classroom.md)
+- [Google Drive and Docs](/scubagoggles/baselines/drive.md)
+- [Google Meet](/scubagoggles/baselines/meet.md)
+- [Google Sites](/scubagoggles/baselines/sites.md)
+- [Groups for Business](/scubagoggles/baselines/groups.md)