Update README.md

README.md

@@ -1,3 +1,54 @@
 # ShadowSwift
 
-A description of this package.
+Shadowsocks is a simple, but effective and popular network traffic obfuscation tool that uses basic encryption with a shared password. shadow is a wrapper for Shadowsocks that makes it available as a Pluggable Transport. 
+
+## Prerequisites
+
+What things you need to install the software and how to install them
+
+```
+Xcode
+```
+
+## Installing
+
+1. Clone the repository.
+
+2. Navigate to the project folder
+
+3. Update the dependencies using Swift Package Manager
+```
+swift package update
+```
+
+## Using the Library
+
+### Client:
+1. Create a Shadow connection factory with the host, port and ShadowConfig containing the password and cipher mode.  For DarkStar mode, the password will be the server's persistent private key in hex.
+```
+        let factory = ShadowConnectionFactory(host: NWEndpoint.Host.ipv4(IPv4Address("host")!), port: NWEndpoint.Port(integerLiteral: port), config: ShadowConfig(password: "password", mode: .DARKSTAR_CLIENT), logger: self.logger)
+```
+
+2. Connect using the client factory
+```
+        guard var client = factory.connect(using: .tcp) else {return}
+```
+
+3. Call .send and .receive on the client connection to send and receive data
+
+#### Server:
+1. Create a Shadow Server with the host, port, and ShadowConfig containing the password and cipher mode. For DarkStar mode, the password will be the server's persistent private key in hex.
+```
+        guard let server = ShadowServer(host: "host", port: port, config: ShadowConfig(password: "password", mode: .DARKSTAR_SERVER), logger: self.logger) else {
+            return
+        }
+```
+
+2. Accept the connection
+```
+        guard let connection = server.accept() else {
+            return
+        }
+```
+
+3. Call .send and .receive on the server connection to send and receive data