message: docs(CONTRIBUTING): separate bad PR title examples
diff: Examples of good PR title:
  -- fix(controllers): cache member from INTERACTION_CREATE payload
  +- fix(controllers/interactions): cache member from INTERACTION_CREATE payload
  - docs: improve wording
  -- feat(handlers): add editGuild() function Examples of bad PR title:
  +- feat(handlers/guild): add editGuild() function Examples of bad PR title:
  +
  +Examples of bad PR title:
  +
  - fix #7123
  - update docs
  - fix bugs
  