v0.2.1 of srik_cli

Flutter project scaffolder. Choose architecture (Clean, MVVM, Feature-first, Simple), design preset, gradients, and spacing. Generate projects and add features. Changelog excerpt: Internal optimizations — no user-facing behavior changes. Generated output is identical (and still passes flutter analyzewith zero issues on all four architectures). ### Performance - srik createruns flutter pub getand git initconcurrently, then commits — shaving time off project creation. - Uses flutter create --emptywhen the installed Flutter supports it (3.6+), skipping the throwaway counter-app boilerplate. ### Internal - Deduplicated architecture templates: shared main.dart,[...]