Update README.md

Author: KKyang

README.md

@@ -1,4 +1,28 @@
 # DSTDedicatedServerGUI
 A Don't Starve Together Dedicated Server GUI.
 
-Still working in progress. Try to make it work with the cave version.
+**Still in heavy development. Backup your server before using it!
+
+## Working environment
+
+Windows
+
+## What can it do
+
+1. One click to start a new server.
+
+2. Able to change basic server settings. ( Server name, descriptions...)
+
+## Usage
+
+1. If you want to change the world settings, navigate to the template folder and change the values inside worldgenoverride.lua directly.
+
+2. Currently adding mods when creating new server is not supported. Will be added soon.
+
+## Future work
+
+1. Able to change worldgenoverride.lua in GUI when creating a new server.
+
+2. Able to manage mods in GUI.
+
+3. Able to use custom server data folder path. ( Currently use the default path.)