Update languages.json

Add `zh-tw`.
Create zh-tw.json
Merge pull request #2 from chiehwen/patch-1

Create zh-tw.json
Merge pull request #1 from chiehwen/master

Update languages.json
add some chinese translations
translated second part of index
Fixed a bug that missing some selectors cause incorrect translation
translated workshopper list
translated interactive tutorial part of about page
Translated all of about page
translated building a workshop page
Finished all translation works for zh-tw
Merge pull request #99 from cfsghost/master

Add Traditional Chinese (zh-TW) translations