Finished '02-getting-started' thai translation

About to merge into master in 24 hrs.

Any comment are welcome.
ฟอนต์

- http://www.wikiwand.com/th/%E0%B9%84%E0%B8%97%E0%B8%9B%E0%B9%8C%E0%B9%80%E0%B8%9F%E0%B8%8B
- http://www.f0nt.com/