Provide a wrapper for Code Insights

[pantosha]

Bitbucket introduced an API for Reports and Annotations. It might be a good idea to provide classes and methods in library.

Links: https://confluence.atlassian.com/bitbucketserver/code-insights-966660485.html https://docs.atlassian.com/bitbucket-server/rest/7.8.1/bitbucket-code-insights-rest.html

[lvermeulen]

Hi @pantosha , I would welcome a pull request for this.