docs: update readme with testing examples

[pumano]

Added example about how to test whole form to readme

Connection with issue(s)

Solution description

Screenshots or Videos

To Do

• Check the original issue to confirm it is fully satisfied
• Add solution description to help guide reviewers
• Add unit test to verify new or fixed behaviour
• If apply, add documentation to code properties and package readme

[joanpablo]

Thanks @pumano

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2eef130) 95.62% compared to head (bb15338) 95.62%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #409   +/-   ##
=======================================
  Coverage   95.62%   95.62%           
=======================================
  Files          66       66           
  Lines        1348     1348           
=======================================
  Hits         1289     1289           
  Misses         59       59           

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[pumano]

I updated recently with Validators.email

[pumano]

@joanpablo thank you for amazing library. I got perfect angular experience here :)

[joanpablo]

@joanpablo thank you for amazing library. I got perfect angular experience here :)

Thanks @pumano for your kind words.