i18n: add hackathon team showcase label in zh-TW

Author: luojiyin1987

translation/zh-TW.ts

@@ -310,6 +310,7 @@ export default {
   score: '評分',
 
   // Team detail page
+  hackathon_team_showcase: '團隊展示',
   team_members: '團隊成員',
   team_works: '團隊作品',
   no_news_yet: '暫無動態',