Buildline: one timeline for your whole build, merging cargo's --timings and ninja's log

Buildline is a tool that merges build profiling outputs from different tools (like Cargo and Ninja) into a single timeline, helping developers identify bottlenecks in their CI builds. It captures real wall-clock time spent, including dead time between tools that traditionally goes unnoticed. The project is in early stages and aims to simplify build performance tracking without needing to build complex UIs.