feat: v0.2.0 - Performance optimization and distribution pipeline

- Implemented multi-threaded directory traversal using ignore::WalkParallel
- Added dynamic thread allocation for balanced CPU utilization
- Refactored core logic to single-pass, in-memory tree construction (O(N))
- Added --compare, --units, and --precision flags
- Established SCM-neutral distribution pipeline (Makefile, release.sh, Homebrew)
- Comprehensive updates to README.md, MANUAL.md, and CHANGELOG.md
- Decoupled from SCM-specific workflows

benches/benchmark.rs

@@ -26,7 +26,7 @@ fn criterion_benchmark(c: &mut Criterion) {
     let path = temp_dir.path();
 
     c.bench_function("build_tree small", |b| {
-        b.iter(|| build_tree(black_box(path), black_box(false)))
+        b.iter(|| build_tree(black_box(path), black_box(false), black_box(false)))
     });
 }