Automated messages on Bitbucket pipelines

[nvuillam]

Implement the capability on Bitbucket connector to post comments on Bitbucket Pull Requests

Class to create: --> src/common/gitProvider/bitbucket.ts

Inspiration can be taken from: https://github.com/hardisgroupcom/sfdx-hardis/blob/main/src/common/gitProvider/azureDevops.ts

[Alainbates]

Hi @nvuillam. Are you open to contributions on this issue? It'd be a useful feature for my team, so I've had a go at implementing it on a fork of this repo and it seems to be working nicely. I can submit a pull request if you'd like to review.

[nvuillam]

@Alainbates i'd love to see your PR, anyone is gladly welcomed to contribute to sfdx-hardis :)