docs: add README instructions for bitbucket cloud pipelines.
Pietro Dell'Amore
Branch: pietronardidellamore/infracost-bitbucket-pipeline:fix-readme
Branch: infracost/infracost-bitbucket-pipeline:master
Merged
Merged pull request
Merged in fix-readme (pull request #13)
This will add an example for using Infracost inside a CI/CD Pipeline for Bitbucket Cloud version. The format of the bitbucket-token flag might be different, otherwise we will face some authentication errors when generating a new comment into the PR.