docs: add CHANGELOG.md for v0.0.1

Author: Guo-Zhang

CHANGELOG.md

@@ -0,0 +1,18 @@
+# Changelog
+
+## v0.0.1
+
+### Added
+- Initial project structure
+- Learning journal for quanttide-founder
+- AGENTS.md with file naming conventions
+- Hierarchical journal specifications (Paper -> Handbook -> Bylaw)
+- Meta folder structure for bylaws and tutorials
+- Journal submodule for business entity
+- Profile submodule for business entity  
+- Report submodule for business entity
+
+### Changed
+- Moved learning log details to meta/bylaw/learn_journal.md
+- Refactored journal specifications into meta folder
+- Moved submodules to docs directory