[pull] indonesian from master (#30)

* fix: fixed custom directives migration guide

* Update the GitHub repo link to `vue-next` (vuejs#672)

* Update introduction.md (vuejs#673)

* Improve formatting of teleport.md (vuejs#674)

This switches a link to using VideoLesson, which should make
it look a lot better. It also fixes a small punctuation typo.

* Fix a typo (vuejs#675)

Co-authored-by: NataliaTepluhina <tarya.se@gmail.com>
Co-authored-by: YuLe <joyful4yu@gmail.com>
Co-authored-by: Alexander Sokolov <modex13@gmail.com>
Co-authored-by: Aris Merchant <wizkarim@gmail.com>
Co-authored-by: Kid <44045911+kidonng@users.noreply.github.com>

Author: 6 people