* feat: add command shortcut keys to convert text to title
* fix: use const values from heading block keys
* chore: add test cases for command
* fix: comments and nomenclature
* chore: add appropriate description
* fix: fixed the cursor not moving to next line after inserting divider
* test: added test
* fix: fixed failing checks
* fix: fixed issues from code review
* refactor: removed the use of depriciated function