patch-terraform-file

This is for updating value in TF files from eng-portal

To rebuild and create npm package, run gopherjs build, then rename the file into index.js and index.js.map and move them into dist folder.
To test the script, run node test/example.js

https://github.com/Scalr/pygohcl/blob/aa4f7fd44744ff800df201de010fc5dab2fec93d/hcl_to_json.go#L20