Update README.md

Author: MotionFlex0

README.md

@@ -1,2 +1,21 @@
 # SimpleClient
- Simple Client/Server for testing XOPE
+ Simple Client/Server for testing XOPE. It can run as both a Winsock client and server, with the ability to send messages. This can be used to demonstrate the capture, filter and replay capabilities of XOPE. 
+
+## Usage
+ ```SimpleClient.exe MODE PORT```
+ ```
+ Mode:
+  -s = Run as server
+  -c = Run as client connecting to server
+  ```
+### Example
+  Starts a server on port 1337:
+  ```
+  SimpleClient.exe -s 1337
+  ```
+  
+  Connects to an existing server on port 1337.
+  ```
+  SimpleClient.exe -c 1337
+  ```
+