docs: add types directory to CONTRIBUTING.md (#6731)
docs: add types directory to CONTRIBUTING.md (#6731)


Kingwl/vue,lizhiyao/vue,lizhiyao/vue,Kingwl/vue,Jinjiang/vue,lizhiyao/vue,KingMario/vue,Ddder-FE/vue,Kingwl/vue,vuejs/vue,Jinjiang/vue,Ddder-FE/vue,vuejs/vue,KingMario/vue,Ddder-FE/vue,vuejs/vue,Hanks10100/vue,KingMario/vue,Jinjiang/vue,KingMario/vue,Ddder-FE/vue,optimizely/vue,Jinjiang/vue,Hanks10100/vue,Kingwl/vue,Hanks10100/vue,lizhiyao/vue,Hanks10100/vue,vuejs/vue,cnchanning/vue,cnchanning/vue,cnchanning/vue