* feat: add insert and update queries with returning
* feat: add optional returing option for insert and update
* test: add tests for returning option in insert and update
* docs: document new option parameter for insert and update
* fix: polish changes
* refactor: rename returning option and add as an extra param to update
* test: amend tests after refactor
* docs: amend README after refactor
* chore: update package version to 1.3.0
Co-authored-by: Íñigo Marquínez <inigo.marquinez@guidesmiths.com>