added changelog

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [0.0.1-RELEASE] - 2026-03-26
+
+### Added
+- New database configuration classes for enhanced data source management
+- Request logging filter configuration for improved request tracing
+- Nflow database configuration for workflow persistence
+
+### Changed
+- Improved workflow definitions in `PollCronWorkflow` and `TransactionWorkflow`
+- Enhanced ecocash remote payment processor with additional features
+- Optimized application properties for both lab and production environments
+- Refactored transaction workflow with 128 lines of improvements and optimizations (190 insertions, 77 deletions)
+
+### Details
+- **Author**: Vusumuzi Khoza
+- **Commit**: c6024b812734158283918eba40fb51efe1f8452a
+- **Files Changed**: 8 files modified
+
+