Update README

Author: tsuzu

README.md

@@ -4,11 +4,21 @@ Broadcast messages that someone joined/left the game.
 
 ![game screen that shows log of joined:Tsuzu](./docs/example.png)
 
+## Installation
+### Docker(Recommended)
+```
+docker pull ghcr.io/miscord-dev/palog:v0.0.3
+```
+
+### Download binary
+* Download binary from [releases](https://github.com/miscord-dev/palog/releases/latest)
+
 ## Environment Variables
 * RCON_ENDPOINT: Endpoint of RCON (IP:Port)
 * RCON_PASSWORD: Password of RCON
 * INTERVAL: Interval to check current players (default: 5s)
 * TIMEOUT: Timeout of RCON calls (default: 1s)
+* UCONV_LATIN: Set `false` to disable escape string with `uconv -x latin`
 
 ## Known issues
 * If the message is split via whitespaces, `Broadcast` sends only the first segment