chore: add change log

Author: mr-ema

CHANGELOG.md

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+# Change Log
+All notable changes to this project will be documented in this file.
+
+## [Unreleased] - 2024-11-19
+
+### Added
+- Integrated Happydom for DOM-based testing  
+  Introduced Happydom to enable DOM-like testing, improving test reliability and ensuring compatibility with DOM APIs in a controlled testing environment.
+
+- Unit tests for element class checks and sibling comparisons  
+  Enhanced test coverage for DOM element class validation and sibling order comparison logic.
+
+- Unit tests for wrapper and element selection functions  
+  Added new tests to verify the correct behavior of wrapper and element selection utilities.
+
+- More tests for scroll and parent detection functions  
+  Improved test coverage for scroll-related and parent detection functions to ensure proper behavior.
+
+- Tests for scrollable element and parent detection functions  
+  Created unit tests to specifically target the functionality of detecting scrollable elements and their parent containers.
+
+- Unit tests for more utility functions  
+  Included additional test cases for various utility functions, improving overall test reliability.
+
+- Expanded tests for deep merge functionality  
+  Enhanced the test suite for the `deepMerge` function to ensure its correctness.
+
+### Changed
+- Improved swipe scroll compatibility on mobile for multiple browsers  
+  Resolved an issue where swipe scrolling was functional only in
+  Firefox. Adjusted the implementation to support smooth scrolling
+  behavior across additional browsers.
+
+- Added tolerance to scroll detection to prevent rounding errors  
+  Introduced a tolerance value to improve detection of scroll start
+  and end, addressing rounding issues in certain browsers and ensuring
+  consistent behavior across environments.
+
+### Fixed
+- Corrected position logic in `isElementBeforeOrAfter` function  
+  Fixed the logic in the `isElementBeforeOrAfter` function to ensure accurate comparison of DOM elements based on their position.
+
+- Improved depth handling in utility functions  
+  Fixed issues with depth management, ensuring utility functions handle nested structures properly.
+
+- Validated parent before adding standalone slides  
+  Ensured that standalone slides are validated for their parent elements before being added to the slider, preventing errors and redundancy.
+
+- Corrected regex logic in `extractClassName` function  
+  Fixed a bug in the regular expression for extracting class names, ensuring proper functionality across different cases.
+
+- Corrected deep merge logic  
+  Fixed issues in the `deepMerge` function, ensuring deep merging of objects is performed accurately.
+
+## [0.1.0-alpha] - 2024-11-18
+
+### Added
+- **Smooth Scrolling:** Navigate between sections with fluid transitions for an enhanced user experience.
+- **Customizable Options:** Configure scroll speed, easing functions, and navigation controls effortlessly.
+- **Swipe Support:** Users can click and drag to navigate between sections on PCs and swipe on touch devices.
+- **Zero Dependencies:** No external libraries required for basic usage.