Help wanted, update tutorial to Angular v9

[loiane]

Hi all, there are plans to run new ng-Girls workshops in Brazil.
Angular has been updated since last time this tutorial was reviewed and the original repo in English has also been updated.
We need help from the community to update the Portuguese version as well!

English repo: https://github.com/ng-girls/todo-list-tutorial
Please compare each file below to its original in English and if required, please send a PR.

The following files need to be reviewed:

File	Colaborator	Status
README.md	@loiane	Done!
SUMMARY.md	@loiane	Done!
a_new_component.md	@thaymara	Done!
add-items-using-the-service.md	@thaymara	Done!
add_items.md	@thaymara	Done!
adding_a_checkbox.md	@eudivaloper
adding_style.md	@eudivaloper
angular_kicks_in.md	@eudivaloper
appendix-1-generating-a-new-project.md	@loiane	Done!
appendix-2-tutorial-extensions.md	@loiane	Done!
class.md	@jvaleskasilva
component.md	@jvaleskasilva
creating-a-service.md (NEW)	@jvaleskasilva
deploy_to_githubpages.md	@rafaelrcapuano	Done!
element_ref_-.md	@rafaelrcapuano	Done!
enrich_the_todo-item_component.md
event_binding.md	@Kamilahsantos
generating_a_new_project.md
interface.md	@lekkinhah	Done!
installations.md	@julialamenza
introduction.md	@julialamenza	Done!
local_storage.md	@lekkinhah	Done!
new_component_todo-item.md	@lekkinhah	Done!
property_binding.md
refactor_app_component.md
remove_item.md
service.md (Removed)
stackblitz.md	@rafaelrcapuano	Done!
the_list.md

Please comment on this issue the file you will be translating/reviewing. Once you review it, please send a PR.

[thaymara]

Hi!
I can review a_new_component.md, add-items-using-the-service.md and add_items.md files

[alvarocamillont]

It is yours! When you finish I can review the PR!
Thanks!

[iamdivaloper]

Hello!
I can review adding_a_checkbox.md, adding_style.md and angular_kicks_in.md files

[jessicavaleska]

Hi, can I review class.md, component.md and creating-a-service.md (NEW) files?

[julialamenza]

Hi can I review

installations.md    
introduction.md

[rafaelrcapuano]

Hi! Can I review deploy_to_githubpages.md and element_ref.md files?

[Kamilahsantos]

Hi,can i review event_binding.md file?

[ghost]

Hello, can i review interface.md , local_storage.md and new_component_todo-item.md?

[alvarocamillont]

It's yours! Thanks!

[masbahnana]

Is there any left for me? I can translate anybody!

[alvarocamillont]

You can get any topic without a name :)

Thanks!