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

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Cole Speelman
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.