Add .gitignore to avoid potential issues if future contributors use this script in a cloned repo.
Add .gitignore to avoid potential issues if future contributors use this script in a cloned repo.

rsavordelli/aws-support-tools,rsavordelli/aws-support-tools,rsavordelli/aws-support-tools,rsavordelli/aws-support-tools,rsavordelli/aws-support-tools,rsavordelli/aws-support-tools