docs(readme): add directive-template-url option info
docs(readme): add directive-template-url option info

egeland/generator-ng-poly,TheOneTheOnlyDavidBrown/generator-ng-poly,ballerabdude/generator-ng-poly,ballerabdude/generator-ng-poly,ballerabdude/generator-ng-poly,egeland/generator-ng-poly,TheOneTheOnlyDavidBrown/generator-ng-poly,egeland/generator-ng-poly,TheOneTheOnlyDavidBrown/generator-ng-poly,dustinspecker/generator-ng-poly,dustinspecker/generator-ng-poly,dustinspecker/generator-ng-poly