Commit lockfile to version control and update vergen-gitcl

Changes

• Commit lockfile to version control (f87ae35, 16ba52a)
• Update vergen-gitcl from v9 to v10 (b2d2e609)
• Sync crate docs with README.md using cargo-reedme (a18e01c)
• Move library code to subdirectory (9bc7968)

Added

• Setup CI using Github Actions (a43f7d8)