Added .gitattributes file with settings for crlf

[davetayls]

Description

When working on a mac or linux with git config for autocrlf all the line endings in the repo are set to lf which fails eslint. This should fix that

Motivation

When working on a mac or linux with git config for autocrlf all the line endings in the repo are set to lf which fails eslint. This should fix that

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have read the Contributing guide.
• My code follows the code style of this project.
• My change requires a change to the documentation.