message: Update code_style.md
diff: @@ -161,7 +161,7 @@ ECMAScript
  TypeScript
  ----------
  - TypeScript is preferred over the use of JavaScript
  -- Its desirable to convert existing JavaScript files to TypeScript. TypeScript conversions should be done in small
  +- It's desirable to convert existing JavaScript files to TypeScript. TypeScript conversions should be done in small
  chunks without functional changes to ease the review process.
  - Use full type definitions for function parameters and return values.
  - Avoid `any` types and `any` casts
  