Release/v2.5.0 (#28) * test: setup * test: Basic tests * feat: Finish setup unit tests * chore: tooling setup * style: format all * test: fix type and lint errors * test: unit test improvements * refactor: flags.ts improvements * refactor: Remove * imports * test: TS mocks + simplify * chore: precommit script * feat: Support 4-stage `container build` * chore: install-local script * docs: README.md: Update * v2.5.0