docs: reorganize changelog format and fix version history structure

Author: akshatcoder-hash

CHANGELOG.md

@@ -6,36 +6,47 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
 ### Added
-- Oracle detection and migration guide with APRO integration
-- Configuration for handling cluster and programs changes
-- Basic project structure and core functionality
+- (Nothing yet)
 
 ## [0.2.0] - 2025-06-02
+
 ### Added
+- Oracle detection and migration guide with APRO integration
+- Configuration for handling cluster and programs changes
+- Basic project structure and core functionality
 - Oracle detection functionality
 - APRO integration guide generation
 - Enhanced configuration handling
 - Comprehensive test suite
 - Documentation improvements
 
 ## [0.1.3] - 2024-11-14
+
 ### Changed
+
 - Updated configuration handling for better cluster and program management
 - Improved error handling and user feedback
 
 ## [0.1.2] - 2024-11-08
+
 ### Changed
+
 - Updated RPC URL in README to include '/rpc' path
 - Improved test coverage
 
 ## [0.1.1] - 2024-11-08
+
 ### Fixed
+
 - Fixed Anchor.toml URL path in the code
 - Removed unused dependencies and modules
 
 ## [0.1.0] - 2024-11-08
+
 ### Added
+
 - Initial release of soon-migrate
 - Core functionality for migrating Solana Anchor projects to SOON Network
 - Support for basic configuration updates and backups