Changelog
- 7268e2e Added AddSubtreeNodeWithoutLock function for adding to subtree without locking
- 18a658a chore(deps): update go-sdk and golang.org/x/exp versions
- e917fd8 chore(tests): reorder import statements for clarity
- a789056 docs(README): update project structure and badge alignment
- 871ab17 sync: update 13 files from source repository (#67)