[NEW] Emoji Autocomplete For Android

Feat Emoji Autocomplete Extensions For Android

ex) .:smile: -> 😄 
(Actually, the period should be removed. I only included it temporarily to show it as text.)

``` kotlin
val input = "Hello :smile: world :thumbsup:"
val result = replacementEmoji(input)
// result: Hello 😄 world 👍
```

### Reference
https://github.com/github/gemoji
https://www.emojiall.com/ko