#63 - New parameter --precision

[brunohjs]

Proposed changes

Create --precision CLI command parameter. This command is used to change precision of the model report overview grades. This parameter will help to define the appropriate precision of the model report grades.
Examples:
if you don't declare (default value) or --precision 2

--precision 0

--precision 1

Types of changes

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• Bugfix
• New feature
• Config Update
• Test Update
• Documentation Update
• Other

Checklist

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• I have read the CONTRIBUTING doc
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
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