Changed README language to english

Author: eunwoo1104

README.md

@@ -1,7 +1,7 @@
 # discord-py-slash-command
-그냥 심심해서 만들어봤어요  
+Simple Discord Slash Command extension for [discord.py](https://github.com/Rapptz/discord.py).
 
-## 예제
+## Example
 ```py
 import discord
 from discord.ext import commands
@@ -14,16 +14,16 @@ slash = SlashCommand(bot)
 
 @slash.slash(name="test")
 async def _test(ctx: SlashContext):
-    embed = discord.Embed(title="임베드")
-    await ctx.send(text="테스트", embeds=[embed])
+    embed = discord.Embed(title="embed test")
+    await ctx.send(text="test", embeds=[embed])
 
 
-bot.run("디스코드 토큰")
+bot.run("discord_token")
 ```
 
-## 설치
-그냥 알아서 클론해서 `discord_slash` 파일 갖다 쓰세요  
-~~어차피 조금만 있으면 디코파이가 지원하겠죠~~
+## Installation
+For now clone this repository and use `discod_slash` folder.  
+(Maybe will upload this at PyPi soon)
 
 ## DOCS
-언젠가 만들...려나?
+Not yet ready.