Add debug run in app task

Author: JonRowe

Rakefile

@@ -96,6 +96,11 @@ namespace :smoke do
   desc "create a new example app with generated specs and run them"
   task app: ["clobber:app", "generate:app", "generate:stuff", :smoke]
 
+  desc "run in the example app"
+  task({ run: ["clobber:app", "generate:app", "generate:stuff"] }, [:cmd]) do |_t, args|
+    in_example_app args.cmd.to_s
+  end
+
   desc "run RSPEC_OPTS environment variable in the example app for local dev"
   task :rspec do
     in_example_app "LOCATION='../../example_app_generator/run_specs.rb' bin/rspec #{ENV.fetch("RSPEC_OPTS")}"