Update README

REH.TW《旋風之音》 · REH.TW《旋風之音》 · commit 40762cbdfc40 · 2017-02-21T21:53:32.000+08:00
diff --git a/README.md b/README.md
@@ -1,2 +1,12 @@
 # PHP Minecraft Query API
+
 Query Minecraft Server Status API
+
+## Installation
+- Move these files into a folder on your web server.
+
+## Usage
+- Navigate to the site in your browser.
+- Eg. `www.example.com/json.php?host=sg.lbsg.net&port=19132` or `www.example.com/json.php?host=mc.hypixel.net&port=25565`
+
+PS：Regardless of version, PC & PE can query.
