Add local_file_dir var for controlling where the zip file is written

[benjamint-bsquare]

Related Issues

• The constraints of our CICD environment means that files generated at plan time are not available at apply time unless they are located where plan time state is copied forward to apply.

Public Changelog

The addition of the local_file_dir variable which allows plan time files to be written to a specific location

Security Implications

[none]

[dmattia]

cool cool. This was released in https://github.com/transcend-io/terraform-aws-lambda-at-edge/releases/tag/v0.4.0