docs: add commit style to claude.md

TICKET: WP-5599

Author: zahin-mohammad

.gitignore

@@ -17,3 +17,4 @@ modules/**/dist/
 modules/**/pack-scoped/
 coverage
 /.direnv/
+.claude/

CLAUDE.md

@@ -28,6 +28,9 @@ yarn lint-changed
 
 # Fix linting issues
 yarn lint-fix
+
+# Commit lint
+yarn check-commits
 ```
 
 ### Testing
@@ -62,6 +65,10 @@ yarn compile
 # Build for development
 yarn compile-dbg
 ```
+## Code Style
+
+### Commits
+BitGoJS uses conventional commits. All commits MUST pass the spec described in `commitlint.config.js`.
 
 ## Code Architecture
 
@@ -113,4 +120,4 @@ This will generate the necessary boilerplate for a new coin implementation.
 
 ## Node.js Version Support
 
-BitGoJS supports Node.js versions >=18 and <23, with NPM >=3.10.10.
+BitGoJS supports Node.js versions >=18 and <23, with NPM >=3.10.10.