[WIP] AngularJS tutorial


https://docs.angularjs.org/tutorial

- [ ] 0. Bootstrapping
- [ ] 1. Static Template
- [ ] 2. Angular Templates
- [ ] 3. Filtering Repeaters
- [ ] 4. Two-way Data Binding
- [ ] 5. XHRs & Dependency Injection
- [ ] 6. Templating Links & Images
- [ ] 7. Routing & Multiple Views
- [ ] 8. More Templating
- [ ] 9. Filters
- [ ] 10. Event Handlers
- [ ] 11. REST and Custom Services
- [ ] 12. Applying Animations