Make section numbering consistent
Make section numbering consistent

* Renumber items where numbers were skipped

airbnb/javascript,addshoppers/javascript,LodoSoftware/javascript-style-guide,xalexec/javascript,ljharb/javascript,naustudio/javascript,appcom-interactive/javascript,whichdigital/javascript-coding-standards,webcoding/javascript-style-guide,pokelondon/javascript,nulogy/javascript,naustudio/javascript,getjll/JavaScript-Style-Guide,LodoSoftware/javascript-style-guide,practicefusion/javascript,bl00mber/javascript,cloudability/javascript-style-guide,allanfish/javascript