Add API feature to get lines of code per programming language
<!-- This issue template can be used as a great starting point for feature requests. The section "Release notes" can be used as a summary of the feature and is also required if you want to have your release post blog MR auto generated using the release post item generator: https://about.gitlab.com/handbook/marketing/blog/release-posts/#release-post-item-generator. The remaining sections are the backbone for every feature in GitLab. The goal of this template is brevity for quick/smaller iterations. For a more thorough list of considerations for larger features or feature sets, you can leverage the detailed [feature proposal](https://gitlab.com/gitlab-org/gitlab/-/blob/master/.gitlab/issue_templates/Feature%20proposal%20-%20detailed.md). --> ### Release notes Added ability to retrieve lines of code per language for each repository in the API. ### Problem to solve Organizations often want to perform analytics on their code. Understanding how many lines of code exist across all code bases in each language is a useful metric to understand what languages are most commonly used. ### Proposal Add a new API endpoint or expand an existing API endpoint to include lines of code for each programming language. The existing UI showing percentage of languages used is not sufficient: we need to know the number of lines of code per language.
issue