docs: 📝 update README with comprehensive usage examples and API docs

chore: 🔧 upgrade GitHub Actions dependencies to latest versions
chore: 📄 update copyright year to 2026 in LICENSE
build: ⬆️ bump devDependencies to latest stable versions
docs: 📚 add CHANGELOG.md file for version history tracking

Author: hex-ci

.github/workflows/workflow.yml

@@ -12,12 +12,12 @@ jobs:
         node-version: [18, 20, 22, 24]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
       - name: Set up Node ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
 

CHANGELOG.md

@@ -0,0 +1,43 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## 1.4.2
+
+### Fixed
+- Fixed edge case where `exclude` option with a function returning `false` was not handled correctly
+
+## 1.4.1
+
+### Changed
+- Updated README
+
+## 1.4.0
+
+### Added
+- New `unitList` option to control which units are passed to the processor function. Supports wildcards (`*`) and negation (`!rem`)
+
+## 1.3.1
+
+### Changed
+- Improved test descriptions for clarity
+
+## 1.3.0
+
+### Added
+- Comprehensive edge case tests covering various configuration scenarios
+
+## 1.2.0
+
+### Added
+- TypeScript type definitions (`index.d.ts`)
+
+## 1.1.1
+
+### Changed
+- Updated README
+
+## 1.1.0
+
+### Added
+- New `customUnitList` option to support custom/non-standard units (e.g. `rpx`, `dp`)

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021 Hex
+Copyright (c) 2026 Hex
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal