feat: initial lockfile implementation

[KSXGitHub]

Goals:

• Resolving package version from a lockfile.

Non-goals:

• Updating the outdated lockfile.
• Creating new lockfile.
• Monorepo.

[github-actions]

Benchmark Results

Linux

group                          main                                   pr
-----                          ----                                   --
tarball/download_dependency    1.12     10.7±7.40ms   406.8 KB/sec    1.00      9.5±2.05ms   457.5 KB/sec

[codecov]

Codecov Report

Attention: 178 lines in your changes are missing coverage. Please review.

Comparison is base (59a553e) 85.56% compared to head (7318ce8) 86.59%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #128      +/-   ##
==========================================
+ Coverage   85.56%   86.59%   +1.02%     
==========================================
  Files          24       39      +15     
  Lines        1413     2528    +1115     
==========================================
+ Hits         1209     2189     +980     
- Misses        204      339     +135     

Files	Coverage Δ
crates/cli/src/commands/add.rs	96.26% <100.00%> (+0.05%)	⬆️
crates/cli/src/package_manager.rs	95.23% <100.00%> (+11.90%)	⬆️
crates/lockfile/src/dependency_path.rs	100.00% <100.00%> (ø)
crates/lockfile/src/lib.rs	0.00% <ø> (ø)
crates/lockfile/src/lockfile_version.rs	100.00% <100.00%> (ø)
crates/lockfile/src/multi_project_snapshot.rs	100.00% <100.00%> (ø)
crates/lockfile/src/package_snapshot_dependency.rs	100.00% <100.00%> (ø)
crates/lockfile/src/pkg_name_ver.rs	100.00% <100.00%> (ø)
crates/lockfile/src/pkg_name_ver_peer.rs	100.00% <100.00%> (ø)
crates/lockfile/src/pkg_ver_peer.rs	100.00% <100.00%> (ø)
... and 18 more

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