l10n: zh_TW: add translation for v2.24.0

Based on commit a5cd71ca4a ("l10n: zh_CN: for git v2.24.0 l10n round
1~2", 2019-10-29).

Signed-off-by: Yi-Jyun Pan <pan93412@gmail.com>
Reviewed-by: Franklin Weng <franklin@goodhorse.idv.tw>
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>

po/TEAMS

@@ -67,3 +67,8 @@ Leader:		Jiang Xin <worldhello.net AT gmail.com>
 Members:	Ray Chen <oldsharp AT gmail.com>
 		依云 <lilydjwg AT gmail.com>
 		Fangyi Zhou <me AT fangyi.io>
+
+Language:	zh_TW (Traditional Chinese)
+Respository:	https://github.com/l10n-tw/git-po
+Leader: 	Yi-Jyun Pan <pan93412 AT gmail.com>
+Members:	Franklin Weng <franklin AT goodhorse.idv.tw>