[ROADMAP] : Define roadmap for contenta angular features

[joaogarin]

Lets discuss and define here the roadmap for contenta angular2 features.

• [x] Angular2-jsonapi integration
• [x] Switch to Angular service worker
• [x] Server push
• [ ] Make recipe detail page (according to the wireframes)
• [ ] Make recipes page a lazy loaded module (its not the homepage according to the wireframes)
• [ ] Build homepage according to wireframes
• [ ] Universal support
• [ ] Infinite scroll
• [ ] Authentication
• [ ] Editing / posting back
• [ ] App scaffolding from OpenAPI endpoint