Same as 7ba5dc87ed, but for aio This file is not necessary since CLI v15+ PR Close #52327
7ba5dc87ed
We can use the angular.json directly. PR Close #50409
This commit also changes the config files and their layout to (reasonably closely) match what the cli would generate for a new app. Related Jira issue: [TOOL-815](https://angular-team.atlassian.net/browse/TOOL-815) PR Close #29926