feat(index): added title and description tag
feat(index): added title and description tag

Ismaestro/angular4-example-app,Ismaestro/angular4-example-app,Ismaestro/angular2-tour-of-heroes,Ismaestro/angular2-tour-of-heroes,Ismaestro/angular2-tour-of-heroes,Ismaestro/angular4-example-app