message: fix(builders): add "/" as the default route in angular.json
  Closes
diff: @@ -126,7 +126,7 @@ function updateWorkspaceConfigRule(options: AddUniversalOptions): Rule {
  options: {
  browserTarget: `${projectName}:build:production`,
  serverTarget: `${projectName}:server:production`,
  - routes: []
  + routes: ['/']
  },
  // Add a dummy production config to be consistent with other targets.
  configurations: {
  