feat: hardware detect + README comparison blurb

docs: standardize README structure (architecture + project structure + quick start)

feat: add benchmark submission schema and contribution guide

feat: improve detect output and README usage docs

docs: add v0.1.0 release notes

feat: add --detect mode with macOS hardware auto-detection

docs: wire launch links to live GitHub repo and clear blocker

feat: initial llm-fit MVP with progress dashboard and launch assets