Comparison with other framework (vuejs#85)

* mulai kerjakan join.md

* Fixes vuejs#42 halaman join the community

* memulai pengerjaan halaman introduction, masih sekitar 10%

* Fixes vuejs#7 Introduction page

* ada part yang ketinggalan di introduction page

* fix some words in introduction page

* Fix konsol, peramban, kerangka kerja

* mulai kerjain halaman comparison

* translate some part

* add some translation about mobile native apps in react and vue

* add angular section on comparison.md

* complete comparison.md translation

Author: nusendra