fixes #10 Add support for SSO/organization login

[seifrajhi]

Description of change

We Would like to be able to get a cost summary of all of the accounts within our AWS Organization account using SSO login

Therefore, we want to use SSO login instead of configuring ~/.aws/credentials file with static credentials

Pull-Request Checklist

• Code is up-to-date with the main branch
• This pull request links relevant issues as Fixes #0000
• There are new or updated unit tests validating the change
• Documentation has been updated to reflect this change
• The new commits follow conventions outlined in the conventional commit spec

[seifrajhi]

Hello @kamranahmedse,

• separate function is created loadSsoAwsCredentials
• SSO retrieval is placed is last
• Camel case is now used instead of underscores and creds is replaced by credentials

[seifrajhi]

Below problem solved:

New output:

I am sorry for the inconvenience, I ran into many issues during merge

[seifrajhi]

issue #12, is now closed because of PR issues

[seifrajhi]

@kamranahmedse , can you please review the changes
thank you 🔢

[seifrajhi]

Hi @kamranahmedse, do you think this PR needs more changes or it is good to go ?