docs: Added example file, updated .gitignore and README.

[dhsrocha]

Commit for attending #36

[SendGridDX]

All committers have signed the CLA.

[mbernier]

Can you please change:

You cand use the .env_example file located at "examples" folder. Just copy it to a .env folder ou can put on your project's root.

To this:

You can copy the .env_example file located in the "examples" folder to .env in your project's root.
cp examples/.env_sample .env
Then add your API Key into the file

[mbernier]

@dhsrocha can you please sign the CLA? We can't merge your code without it.

[mbernier]

I just noticed you have signed in another repo - I know it's a bit redundant., and I am sorry for the trouble, our legal team has asked that people sign at each repo.

[thinkingserious]

Hello @dhsrocha,

Thanks again for the PR!

We want to show our appreciation by sending you some swag. Could you please fill out this form so we can send it to you? Thanks!

Team SendGrid DX

[mbernier]

@dhsrocha
If you are interested, we would love the opportunity to talk to you about Hacktoberfest and our API libraries.

Our agenda would be: Explore what you liked and is there anything we can do to improve?

You can grab a time on my calendar that works for you and we can have a chat on Google Hangout or Skype. If you prefer, you can email me using my GitHub username at my company’s domain.

Thank you so much,

Matt Bernier - @mbernier - SendGrid Developer Experience Product Manager
Elmer Thomas - @thinkingserious - SendGrid Developer Experience Engineer
@sendgrid